meliorate

Etymology
Borrowed from, a verb based on.

Verb

 * 1)  To make better; to improve; to solve a problem.
 * They offered some compromises in an effort to meliorate the disagreement.
 * 1) * June 8, 1783,, Circular to the States
 * and the pure and benign light of revelation have had a meliorating influence on mankind.
 * 1)  To become better.
 * 1)  To become better.

Synonyms

 * See also Thesaurus:improve