(1):
(v. t.) by supplying deficiencies;
(2):
(v. t.) by substituting something else in the place of what is removed; to rectify.
(3):
(v. i.) To grow better by rectifying something wrong in manners or morals; to improve.
(4):
(v. t.) To change or modify in any way for the better
(5):
(v. t.) by simply removing what is erroneous, corrupt, superfluous, faulty, and the like;