Rogets II: The New Thesaurus, Third Edition. 1995.
avenge
VERB:
To exact revenge for or from: pay back, pay off, redress, repay, requite, vindicate. Informal :fix. Archaic :wreak. Idioms: even the score, get back at, get even with, pay back in kind (or in one's own coin) , settle (or square) accounts, take an eye for an eye. SeeFORGIVENESS.