AMELIORATION
amelioration, melioration, betterment
(noun) the act of relieving ills and changing for the better
Source: WordNet® 3.1
Etymology
Noun
amelioration (countable and uncountable, plural ameliorations)
The act of making better.
An improvement.
(linguistics) The process by which a term gains a more positive connotation over time.
Synonyms
• revamp
Antonyms
• deterioration
• nerf (game slang)
• pejoration (linguistics)
Source: Wiktionary
A*mel`io*ra"tion, n. Etym: [Cf. F. amélioration.]
Definition: The act of ameliorating, or the state of being ameliorated;
making or becoming better; improvement; melioration. "Amelioration of
human affairs." J. S. Mill.
Source: Webster’s Unabridged Dictionary 1913 Edition