amelioration (n.) Look up amelioration at Dictionary.com
1650s, "a making or becoming better," from French amélioration, from Old French ameillorer (12c.), from a "to" (see ad-) + meillior (Modern French meìlleur) "to better, repair, improve," from Late Latin meliorare "improve," from Latin melior "better," perhaps originally "stronger," and related to Greek mala "very, very much," from PIE *mel- (4) "strong, great" (see multi-).