Ascertain Definition & Meaning

ascertain
verb
  1. establish after a calculation, investigation, experiment, survey, or study; "find the product of two numbers"; "The physicist who found the elusive particle won the Nobel Prize"
  2. be careful or certain to do something; make certain of something; "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product"
  3. find out, learn, or determine with certainty, usually by making an inquiry or other effort; "I want to see whether she speaks French"; "See whether it works"; "find out if he speaks Russian"; "Check whether the train leaves on time"
  4. learn or discover with certainty

Synonyms for ascertain

assure verb

make certain of; "This nest egg will ensure a nice retirement for us

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check noun

a written order directing a bank to pay money; "he paid all his bills by check" an appraisal of the state of affairs

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control noun

power to direct or determine; "under control" a relation of constraint of one entity (thing or person or group) by

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demonstrate verb

give an exhibition of to an interested audience; "She shows her dogs frequently

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determine verb

establish after a calculation, investigation, experiment, survey, or study; "find the product of two numbers

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ensure verb

make certain of; "This nest egg will ensure a nice retirement for us

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evidence noun

your basis for belief or disbelief; knowledge on which to base belief

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find noun

a productive insight the act of discovering something come upon, as if by accident; meet with

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insure verb

be careful or certain to do something; make certain of something; "He verified that the valves were closed

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learn verb

gain knowledge or skills; "She learned dancing from her sister"; "I learned Sanskrit

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"Ascertain" in song lyrics

See how ascertain is used in real songs:

  • "Calculate math to ascertain"
    Edan — Emcees Smoke Crack

Words that rhyme with ascertain

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Usage tips for "ascertain"

Understanding the precise definition of a word helps you use it with confidence. When using "ascertain" in your writing, consider whether you need the word itself or one of its synonyms — subtle differences in meaning can change the tone of a sentence. If you're writing poetry or song lyrics, check the rhymes for ascertain to find words that pair well.

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♫ Rhymes with ascertain ↔ Synonyms for ascertain 🔬 Words containing ascertain

Frequently asked questions

What does ascertain mean?
establish after a calculation, investigation, experiment, survey, or study; "find the product of two numbers"; "The physicist who found the elusive particle won the Nobel Prize" be careful or certain to do something; make certain of something; "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product" find out, learn, or determine with certainty, usually by making an inquiry or other effort; "I want to see whether she speaks French
What part of speech is ascertain?
Ascertain is a verb.
How many definitions does ascertain have?
Ascertain has 4 definitions across 1 part of speech (verb).

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