The act of making something better; improvement.
‘progress brings with it the amelioration of the human condition’
‘The increasingly powerful industrial working class sought the amelioration of its social and economic conditions.’
‘For real amelioration in education is completely contingent upon complementary improvement in the wider societal context.’
‘This amelioration is for the most part subjective rather than objective — the individual feels better about him- or herself.’
‘Its thrust is towards amelioration of the poor and a lot of distance has been covered.’
‘It would also provide a sound basis for targeting scarce resources and developing strategies for remediation and amelioration.’
мелиорация, улучшение, коренное улучшение