melioration   (TTS Sound)

The noun melioration has 3 senses

• amelioration, melioration, betterment -- (the act of relieving ills and changing for the better)


• improvement, melioration -- (a condition superior to an earlier condition; "the new school represents a great improvement")


• melioration -- (the linguistic process in which over a period of time a word grows more positive in connotation or more elevated in meaning)