Remediate
Part of speech: adjective
Definition: Intended to correct or improve deficient skills in some subject.
Part of speech: verb
Definition: To correct or improve a deficiency or 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: Regret doesn't budge things; it seems crazy that the force of all that human want can't amend a moment, can't even stir a pebble.