verb (-rated; -rating) Etymology: alteration of meliorate Date: 1767 transitive verb to make better or more tolerable, intransitive verb to grow better, see: improve amelioration noun ameliorative adjective ameliorator noun amelioratory adjective
AMELIORATE
Meaning of AMELIORATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012