অর্থ : The act of relieving ills and changing for the better.
সমার্থক : amelioration, betterment
অর্থ : A condition superior to an earlier condition.
উদাহরণ :
The new school represents a great improvement.
সমার্থক : improvement
A condition inferior to an earlier condition. A gradual falling off from a better state.
declination, declineঅর্থ : The linguistic process in which over a period of time a word grows more positive in connotation or more elevated in meaning.
Melioration meaning in Bengali (Bangla).