Ameliorate
Part of speech: verb
Definition: To make better, to improve; to heal; to solve a problem.
Amend
Part of speech: verb
Definition: To make better.To become better.To make a formal alteration in legislation by adding, deleting, or rephrasing.
Example sentence: Forget not, O Lord, that I am one of those whom Thou hast created, and with Thine own blood hast redeemed. I repent me of my sins: I will strive to amend my ways.