I . v. a.
1.
Repair, refit, retouch, patch up, touch up, restore.
2.
Improve, ameliorate, meliorate, correct, rectify, reform, a~, e~, make better.
3.
Help, advance, further, improve.
4.
Increase, add to, augment, make greater.
II . v. n.
Improve, a~, become better.