Words that rhyme with locomotion

• assumption 4
  n 1: a statement that is assumed to be true and from which a conclusion can be drawn; "on the assumption that he has been injured we can infer that he will not to play" [syn: premise, premiss, assumption] 2: a hypothesis that is taken for granted; "any society is built upon certain assumptions" [syn: assumption, supposition, supposal] 3: the act of taking possession of or power over something; "his assumption of office coincided with the trouble in Cuba"; "the Nazi assumption of power in 1934"; "he acquired all the company's assets for ten million dollars and the assumption of the company's debts" [syn: assumption, laying claim] 4: celebration in the Roman Catholic Church of the Virgin Mary's being taken up into heaven when her earthly life ended; corresponds to the Dormition in the Eastern Orthodox Church [syn: Assumption, Assumption of Mary, August 15] 5: (Christianity) the taking up of the body and soul of the Virgin Mary when her earthly life had ended 6: audacious (even arrogant) behavior that you have no right to; "he despised them for their presumptuousness" [syn: presumption, presumptuousness, effrontery, assumption] 7: the act of assuming or taking for granted; "your assumption that I would agree was unwarranted"
• abruption 0
  n 1: an instance of sudden interruption [syn: breaking off, abruption]
• absorption 0
  n 1: (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid [syn: absorption, soaking up] 2: (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium; "the absorption of photons by atoms or molecules" 3: the social process of absorbing one cultural group into harmony with another [syn: assimilation, absorption] 4: the process of absorbing nutrients into the body after digestion [syn: assimilation, absorption] 5: complete attention; intense mental effort [syn: concentration, engrossment, absorption, immersion] 6: the mental state of being preoccupied by something [syn: preoccupation, preoccupancy, absorption, engrossment]
• adoption 0
  n 1: the act of accepting with approval; favorable reception; "its adoption by society"; "the proposal found wide acceptance" [syn: adoption, acceptance, acceptation, espousal] 2: a legal proceeding that creates a parent-child relation between persons not related by blood; the adopted child is entitled to all privileges belonging to a natural child of the adoptive parents (including the right to inherit) 3: the appropriation (of ideas or words etc) from another source; "the borrowing of ancient motifs was very apparent" [syn: borrowing, adoption]
• adsorption 0
  n 1: the accumulation of molecules of a gas to form a thin film on the surface of a solid [syn: adsorption, surface assimilation]
• apperception 0
  n 1: the process whereby perceived qualities of an object are related to past experience
• ascription 0
  n 1: assigning some quality or character to a person or thing; "the attribution of language to birds"; "the ascription to me of honors I had not earned" [syn: attribution, ascription] 2: assigning to a cause or source; "the attribution of lighting to an expression of God's wrath"; "he questioned the attribution of the painting to Picasso" [syn: attribution, ascription]
• caption 0
  n 1: taking exception; especially a quibble based on a captious argument; "a mere caption unworthy of a reply" 2: translation of foreign dialogue of a movie or TV program; usually displayed at the bottom of the screen [syn: subtitle, caption] 3: brief description accompanying an illustration [syn: caption, legend] v 1: provide with a caption, as of a photograph or a drawing
• caution 0
  n 1: the trait of being cautious; being attentive to possible danger; "a man of caution" [syn: caution, cautiousness, carefulness] [ant: incaution, incautiousness] 2: a warning against certain acts; "a caveat against unfair practices" [syn: caution, caveat] 3: judiciousness in avoiding harm or danger; "he exercised caution in opening the door"; "he handled the vase with care" [syn: caution, precaution, care, forethought] 4: the trait of being circumspect and prudent [syn: circumspection, caution] v 1: warn strongly; put on guard [syn: caution, admonish, monish]
• circumscription 0
  n 1: the act of circumscribing
• commotion 0
  n 1: a disorderly outburst or tumult; "they were amazed by the furious disturbance they had caused" [syn: disturbance, disruption, commotion, flutter, hurly burly, to- do, hoo-ha, hoo-hah, kerfuffle] 2: the act of making a noisy disturbance [syn: commotion, din, ruction, ruckus, rumpus, tumult] 3: confused movement; "he was caught up in a whirl of work"; "a commotion of people fought for the exits" [syn: whirl, commotion]
• conception 0
  n 1: an abstract or general idea inferred or derived from specific instances [syn: concept, conception, construct] [ant: misconception] 2: the act of becoming pregnant; fertilization of an ovum by a spermatozoon 3: the event that occurred at the beginning of something; "from its creation the plan was doomed to failure" [syn: creation, conception] 4: the creation of something in the mind [syn: invention, innovation, excogitation, conception, design]
• conniption 0
  n 1: a display of bad temper; "he had a fit"; "she threw a tantrum"; "he made a scene" [syn: fit, tantrum, scene, conniption]
• conscription 0
  n 1: compulsory military service [syn: conscription, muster, draft, selective service]
• consumption 0
  n 1: the process of taking food into the body through the mouth (as by eating) [syn: consumption, ingestion, intake, uptake] 2: involving the lungs with progressive wasting of the body [syn: pulmonary tuberculosis, consumption, phthisis, wasting disease, white plague] 3: (economics) the utilization of economic goods to satisfy needs or in manufacturing; "the consumption of energy has increased steadily" [syn: consumption, economic consumption, usance, use, use of goods and services] 4: the act of consuming something [syn: consumption, using up, expenditure]
• contraception 0
  n 1: birth control by the use of devices (diaphragm or intrauterine device or condom) or drugs or surgery [syn: contraception, contraceptive method]
• contraption 0
  n 1: a device or control that is very useful for a particular job [syn: appliance, contraption, contrivance, convenience, gadget, gizmo, gismo, widget]
• corruption 0
  n 1: lack of integrity or honesty (especially susceptibility to bribery); use of a position of trust for dishonest gain [syn: corruptness, corruption] [ant: incorruption, incorruptness] 2: in a state of progressive putrefaction [syn: putrescence, putridness, rottenness, corruption] 3: decay of matter (as by rot or oxidation) 4: moral perversion; impairment of virtue and moral principles; "the luxury and corruption among the upper classes"; "moral degeneracy followed intellectual degeneration"; "its brothels, its opium parlors, its depravity"; "Rome had fallen into moral putrefaction" [syn: corruption, degeneracy, depravation, depravity, putrefaction] 5: destroying someone's (or some group's) honesty or loyalty; undermining moral integrity; "corruption of a minor"; "the big city's subversion of rural innocence" [syn: corruption, subversion] 6: inducement (as of a public official) by improper means (as bribery) to violate duty (as by commiting a felony); "he was held on charges of corruption and racketeering"
• cushion 0
  n 1: a mechanical damper; absorbs energy of sudden impulses; "the old car needed a new set of shocks" [syn: shock absorber, shock, cushion] 2: the layer of air that supports a hovercraft or similar vehicle 3: a soft bag filled with air or a mass of padding such as feathers or foam rubber etc. v 1: protect from impact; "cushion the blow" [syn: cushion, buffer, soften]
• deception 0
  n 1: a misleading falsehood [syn: misrepresentation, deceit, deception] 2: the act of deceiving [syn: deception, deceit, dissembling, dissimulation] 3: an illusory feat; considered magical by naive observers [syn: magic trick, conjuring trick, trick, magic, legerdemain, conjuration, thaumaturgy, illusion, deception]
• decryption 0
  n 1: the activity of making clear or converting from code into plain text; "a secret key or password is required for decryption" [syn: decoding, decryption, decipherment]
• demotion 0
  n 1: act of lowering in rank or position [ant: promotion]
• description 0
  n 1: a statement that represents something in words [syn: description, verbal description] 2: the act of describing something 3: sort or variety; "every description of book was there"
• devotion 0
  n 1: feelings of ardent love; "their devotion to each other was beautiful" [syn: devotion, devotedness] 2: commitment to some purpose; "the devotion of his time and wealth to science" 3: religious zeal; the willingness to serve God [syn: idolatry, devotion, veneration, cultism] 4: (usually plural) religious observance or prayers (usually spoken silently); "he returned to his devotions"
• disruption 0
  n 1: an act of delaying or interrupting the continuity; "it was presented without commercial breaks"; "there was a gap in his account" [syn: break, interruption, disruption, gap] 2: a disorderly outburst or tumult; "they were amazed by the furious disturbance they had caused" [syn: disturbance, disruption, commotion, flutter, hurly burly, to-do, hoo-ha, hoo-hah, kerfuffle] 3: an event that results in a displacement or discontinuity [syn: dislocation, disruption] 4: the act of causing disorder [syn: disruption, perturbation]
• emotion 0
  n 1: any strong feeling
• encryption 0
  n 1: the activity of converting data or information into code [syn: encoding, encryption]
• eruption 0
  n 1: the sudden occurrence of a violent discharge of steam and volcanic material [syn: volcanic eruption, eruption] 2: symptom consisting of a breaking out and becoming visible 3: (of volcanos) pouring out fumes or lava (or a deposit so formed) [syn: eruption, eructation, extravasation] 4: a sudden violent spontaneous occurrence (usually of some undesirable condition); "the outbreak of hostilities" [syn: outbreak, eruption, irruption] 5: a sudden very loud noise [syn: bang, clap, eruption, blast, bam] 6: the emergence of a tooth as it breaks through the gum
• exception 0
  n 1: a deliberate act of omission; "with the exception of the children, everyone was told the news" [syn: exception, exclusion, elision] 2: an instance that does not conform to a rule or generalization; "all her children were brilliant; the only exception was her last child"; "an exception tests the rule" 3: grounds for adverse criticism; "his authority is beyond exception"
• excerption 0
  n 1: a passage selected from a larger work; "he presented excerpts from William James' philosophical writings" [syn: excerpt, excerption, extract, selection]
• exemption 0
  n 1: immunity from an obligation or duty [syn: exemption, freedom] 2: a deduction allowed to a taxpayer because of his status (having certain dependents or being blind or being over 65 etc.); "additional exemptions are allowed for each dependent" 3: an act exempting someone; "he was granted immunity from prosecution" [syn: exemption, immunity, granting immunity]
• fashion 0
  n 1: how something is done or how it happens; "her dignified manner"; "his rapid manner of talking"; "their nomadic mode of existence"; "in the characteristic New York style"; "a lonely way of life"; "in an abrasive fashion" [syn: manner, mode, style, way, fashion] 2: characteristic or habitual practice 3: the latest and most admired style in clothes and cosmetics and behavior 4: consumer goods (especially clothing) in the current mode v 1: make out of components (often in an improvising manner); "She fashioned a tent out of a sheet and a few sticks" [syn: fashion, forge]
• freshen 0
  v 1: make (to feel) fresh; "The cool water refreshed us" [syn: refresh, freshen] 2: become or make oneself fresh again; "She freshened up after the tennis game" [syn: freshen, refresh, refreshen, freshen up] 3: make fresh again [syn: refresh, freshen, refreshen] [ant: fag, fag out, fatigue, jade, outwear, tire, tire out, wear, wear down, wear out, wear upon, weary]
• gumption 0
  n 1: sound practical judgment; "Common sense is not so common"; "he hasn't got the sense God gave little green apples"; "fortunately she had the good sense to run away" [syn: common sense, good sense, gumption, horse sense, sense, mother wit] 2: fortitude and determination; "he didn't have the guts to try it" [syn: backbone, grit, guts, moxie, sand, gumption]
• inception 0
  n 1: an event that is a beginning; a first part or stage of subsequent events [syn: origin, origination, inception]
• inscription 0
  n 1: letters inscribed (especially words engraved or carved) on something [syn: inscription, lettering] 2: a short message (as in a book or musical work or on a photograph) dedicating it to someone or something [syn: dedication, inscription] 3: the activity of inscribing (especially carving or engraving) letters or words
• interception 0
  n 1: the act of intercepting; preventing something from proceeding or arriving; "he resorted to the interception of his daughter's letters"; "he claimed that the interception of one missile by another would be impossible" 2: (American football) the act of catching a football by a player on the opposing team
• interruption 0
  n 1: an act of delaying or interrupting the continuity; "it was presented without commercial breaks"; "there was a gap in his account" [syn: break, interruption, disruption, gap] 2: some abrupt occurrence that interrupts an ongoing activity; "the telephone is an annoying interruption"; "there was a break in the action when a player was hurt" [syn: interruption, break] 3: a time interval during which there is a temporary cessation of something [syn: pause, intermission, break, interruption, suspension]
• irruption 0
  n 1: a sudden violent entrance; a bursting in; "the recent irruption of bad manners" 2: a sudden sharp increase in the relative numbers of a population 3: a sudden violent spontaneous occurrence (usually of some undesirable condition); "the outbreak of hostilities" [syn: outbreak, eruption, irruption]
• lotion 0
  n 1: any of various cosmetic preparations that are applied to the skin 2: liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin; "a lotion for dry skin" [syn: lotion, application]
• misconception 0
  n 1: an incorrect conception [ant: concept, conception, construct]
• motion 0
  n 1: the use of movements (especially of the hands) to communicate familiar or prearranged signals [syn: gesture, motion] 2: a natural event that involves a change in the position or location of something [syn: movement, motion] 3: a change of position that does not entail a change of location; "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility" [syn: motion, movement, move, motility] 4: a state of change; "they were in a state of steady motion" [ant: lifelessness, motionlessness, stillness] 5: a formal proposal for action made to a deliberative assembly for discussion and vote; "he made a motion to adjourn"; "she called for the question" [syn: motion, question] 6: the act of changing location from one place to another; "police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path" [syn: motion, movement, move] 7: an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object; "the cinema relies on apparent motion"; "the succession of flashing lights gave an illusion of movement" [syn: apparent motion, motion, apparent movement, movement] v 1: show, express or direct through movement; "He gestured his desire to leave" [syn: gesticulate, gesture, motion]
• notion 0
  n 1: a vague idea in which some confidence is placed; "his impression of her was favorable"; "what are your feelings about the crisis?"; "it strengthened my belief in his sincerity"; "I had a feeling that she was lying" [syn: impression, feeling, belief, notion, opinion] 2: a general inclusive concept 3: an odd or fanciful or capricious idea; "the theatrical notion of disguise is associated with disaster in his stories"; "he had a whimsy about flying to the moon"; "whimsy can be humorous to someone with time to enjoy it" [syn: notion, whim, whimsy, whimsey] 4: (usually plural) small personal articles or clothing or sewing items; "buttons and needles are notions"
• ocean 0
  n 1: a large body of water constituting a principal part of the hydrosphere 2: anything apparently limitless in quantity or volume [syn: ocean, sea]
• option 0
  n 1: the right to buy or sell property at an agreed price; the right is purchased and if it is not exercised by a stated date the money is forfeited 2: one of a number of things from which only one can be chosen; "what option did I have?"; "there no other alternative"; "my only choice is to refuse" [syn: option, alternative, choice] 3: the act of choosing or selecting; "your choice of colors was unfortunate"; "you can take your pick" [syn: choice, selection, option, pick]
• perception 0
  n 1: the representation of what is perceived; basic component in the formation of a concept [syn: percept, perception, perceptual experience] 2: a way of conceiving something; "Luther had a new perception of the Bible" 3: the process of perceiving 4: knowledge gained by perceiving; "a man admired for the depth of his perception" 5: becoming aware of something via the senses [syn: sensing, perception]
• portion 0
  n 1: something determined in relation to something that includes it; "he wanted to feel a part of something bigger than himself"; "I read a portion of the manuscript"; "the smaller component is hard to reach"; "the animal constituent of plankton" [syn: part, portion, component part, component, constituent] 2: something less than the whole of a human artifact; "the rear part of the house"; "glue the two parts together" [syn: part, portion] 3: the allotment of some amount by dividing something; "death gets more than its share of attention from theologians" [syn: parcel, portion, share] 4: assets belonging to or due to or contributed by an individual person or group; "he wanted his share in cash" [syn: share, portion, part, percentage] 5: your overall circumstances or condition in life (including everything that happens to you); "whatever my fortune may be"; "deserved a better fate"; "has a happy lot"; "the luck of the Irish"; "a victim of circumstances"; "success that was her portion" [syn: fortune, destiny, fate, luck, lot, circumstances, portion] 6: money or property brought by a woman to her husband at marriage [syn: dowry, dowery, dower, portion] 7: an individual quantity of food or drink taken as part of a meal; "the helpings were all small"; "his portion was larger than hers"; "there's enough for two servings each" [syn: helping, portion, serving] v 1: give out; "We were assigned new uniforms" [syn: assign, allot, portion]
• potion 0
  n 1: a medicinal or magical or poisonous beverage
• preconception 0
  n 1: an opinion formed beforehand without adequate evidence; "he did not even try to confirm his preconceptions" [syn: preconception, prepossession, parti pris, preconceived opinion, preconceived idea, preconceived notion] 2: a partiality that prevents objective consideration of an issue or situation [syn: bias, prejudice, preconception]
• prescription 0
  adj 1: available only with a doctor's written prescription; "a prescription drug" [ant: nonprescription(a), over-the- counter(a)] n 1: directions prescribed beforehand; the action of prescribing authoritative rules or directions; "I tried to follow her prescription for success" 2: a drug that is available only with written instructions from a doctor or dentist to a pharmacist; "he told the doctor that he had been taking his prescription regularly" [syn: prescription drug, prescription, prescription medicine, ethical drug] [ant: over-the-counter drug, over-the- counter medicine] 3: written instructions for an optician on the lenses for a given person 4: written instructions from a physician or dentist to a druggist concerning the form and dosage of a drug to be issued to a given patient
• presumption 0
  n 1: an assumption that is taken for granted [syn: given, presumption, precondition] 2: (law) an inference of the truth of a fact from other facts proved or admitted or judicially noticed 3: audacious (even arrogant) behavior that you have no right to; "he despised them for their presumptuousness" [syn: presumption, presumptuousness, effrontery, assumption] 4: a kind of discourtesy in the form of an act of presuming; "his presumption was intolerable"
• promotion 0
  n 1: a message issued in behalf of some product or cause or idea or person or institution; "the packaging of new ideas" [syn: promotion, publicity, promotional material, packaging] 2: act of raising in rank or position [ant: demotion] 3: encouragement of the progress or growth or acceptance of something [syn: promotion, furtherance, advancement] 4: the advancement of some enterprise; "his experience in marketing resulted in the forwarding of his career" [syn: forwarding, furtherance, promotion]
• proscription 0
  n 1: a decree that prohibits something [syn: prohibition, ban, proscription] 2: rejection by means of an act of banishing or proscribing someone [syn: banishment, proscription]
• ration 0
  n 1: the food allowance for one day (especially for service personnel); "the rations should be nutritionally balanced" 2: a fixed portion that is allotted (especially in times of scarcity) v 1: restrict the consumption of a relatively scarce commodity, as during war; "Bread was rationed during the siege of the city" 2: distribute in rations, as in the army; "Cigarettes are rationed" [syn: ration, ration out]
• reception 0
  n 1: the manner in which something is greeted; "she did not expect the cold reception she received from her superiors" [syn: reception, response] 2: a formal party of people; as after a wedding 3: quality or fidelity of a received broadcast 4: the act of receiving [syn: reception, receipt] 5: (American football) the act of catching a pass in football; "the tight end made a great reception on the 20 yard line"
• redemption 0
  n 1: (theology) the act of delivering from sin or saving from evil [syn: redemption, salvation] 2: repayment of the principal amount of a debt or security at or before maturity (as when a corporation repurchases its own stock) 3: the act of purchasing back something previously sold [syn: redemption, repurchase, buyback]
• resumption 0
  n 1: beginning again [syn: resumption, recommencement]
• session 0
  n 1: a meeting for execution of a group's functions; "it was the opening session of the legislature" 2: the time during which a school holds classes; "they had to shorten the school term" [syn: school term, academic term, academic session, session] 3: a meeting devoted to a particular activity; "a filming session"; "a gossip session" 4: a meeting of spiritualists; "the seance was held in the medium's parlor" [syn: seance, sitting, session]
• sorption 0
  n 1: the process in which one substance takes up or holds another (by either absorption or adsorption)
• subscription 0
  n 1: a payment for consecutive issues of a newspaper or magazine for a given period of time 2: agreement expressed by (or as if expressed by) signing your name 3: a pledged contribution 4: the act of signing your name; writing your signature (as on a document); "the deed was attested by the subscription of his signature"
• superscription 0
  n 1: an inscription written above something else 2: the activity of superscribing
• tertian 0
  adj 1: relating to symptoms (especially malarial fever) that appear every other day; "tertian fever" 2: of or relating to a tonal system based on major thirds; "a tertian tonal system"
• torsion 0
  n 1: a tortuous and twisted shape or position; "they built a tree house in the tortuosities of its boughs"; "the acrobat performed incredible contortions" [syn: tortuosity, tortuousness, torsion, contortion, crookedness] 2: a twisting force [syn: torsion, torque]
• transcription 0
  n 1: something written, especially copied from one medium to another, as a typewritten version of dictation [syn: transcription, written text] 2: (genetics) the organic process whereby the DNA sequence in a gene is copied into mRNA; the process whereby a base sequence of messenger RNA is synthesized on a template of complementary DNA 3: a sound or television recording (e.g., from a broadcast to a tape recording) 4: the act of arranging and adapting a piece of music [syn: arrangement, arranging, transcription] 5: the act of making a record (especially an audio record); "she watched the recording from a sound-proof booth" [syn: recording, transcription]
• version 0
  n 1: an interpretation of a matter from a particular viewpoint; "his version of the fight was different from mine" 2: something a little different from others of the same type; "an experimental version of the night fighter"; "a variant of the same word"; "an emery wheel is the modern variation of a grindstone"; "the boy is a younger edition of his father" [syn: version, variant, variation, edition] 3: a written work (as a novel) that has been recast in a new form; "the play is an adaptation of a short novel" [syn: adaptation, version] 4: a written communication in a second language having the same meaning as the written communication in a first language [syn: translation, interlingual rendition, rendering, version] 5: a mental representation of the meaning or significance of something [syn: interpretation, reading, version] 6: manual turning of a fetus in the uterus (usually to aid delivery)
• harshen 0
  v 1: make harsh or harsher; "Winter harshened the look of the city"
• martian 0
  adj 1: of or relating to the planet Mars (or its fictional inhabitants) n 1: imaginary people who live on the planet Mars
• persian 0
  adj 1: of or relating to Iran or its people or language or culture; "Iranian mountains"; "Iranian security police" [syn: Iranian, Persian] n 1: a native or inhabitant of Iran; "the majority of Irani are Persian Shiite Muslims" [syn: Irani, Iranian, Persian] 2: the language of Persia (Iran) in any of its ancient forms [syn: Persian, Farsi]
• incorruption 0
  n 1: characterized by integrity or probity [syn: incorruptness, incorruption] [ant: corruption, corruptness]
• desorption 0
  n 1: changing from an adsorbed state on a surface to a gaseous or liquid state
• groschen 0
  n 1: 100 groschen equal 1 schilling in Austria
• egyptian 0
  adj 1: of or relating to or characteristic of Egypt or its people or their language n 1: a native or inhabitant of Egypt 2: the ancient and now extinct language of Egypt under the Pharaohs; written records date back to 3000 BC
• subsumption 0
  n 1: the premise of a syllogism that contains the minor term (which is the subject of the conclusion) [syn: minor premise, minor premiss, subsumption] 2: incorporating something under a more general category
• laotian 0
  adj 1: of or relating to Laos or its people; "the Laotian Prime Minister"; "Laotian refugees" n 1: a member of a Buddhist people inhabiting the area of the Mekong River in Laos and Thailand and speaking the Lao language; related to the Thais [syn: Lao, Laotian]
• resorption 0
  n 1: the organic process in which the substance of some differentiated structure that has been produced by the body undergoes lysis and assimilation [syn: resorption, reabsorption]
• preemption 0
  n 1: the judicial principle asserting the supremacy of federal over state legislation on the same subject [syn: preemption, pre-emption] 2: the right of a government to seize or appropriate something (as property) [syn: preemption, pre-emption] 3: the right to purchase something in advance of others [syn: preemption, pre-emption] 4: a prior appropriation of something; "the preemption of bandwidth by commercial interests" [syn: preemption, pre- emption]
• boeotian 0
  adj 1: of or relating to ancient Boeotia or its people or to the dialect spoken there in classical times; "Boeotian dialects"
• photoreception 0
• goshen 0
• subreption 0
• usucaption 0
• bocian 0
• hoeschen 0
• kocian 0
• discerption 0

See also locomotion definition and locomotion synonyms