Melioration - Definition

n 1: the act of relieving ills and changing for the better [syn:
amelioration, melioration, betterment]
2: a condition superior to an earlier condition; "the new school
represents a great improvement" [syn: improvement,
melioration] [ant: declination, decline]
3: the linguistic process in which over a period of time a word
grows more positive in connotation or more elevated in
meaning