Definitions from Wiktionary ( )

▸ verb:  (transitive) To take vengeance (for); to exact satisfaction for by punishing the injuring party; to vindicate by inflicting pain or evil on a wrongdoer.
▸ verb:  (reflexive) To revenge oneself (on or upon someone).
▸ verb:  (intransitive, obsolete) To take vengeance.
▸ verb:  (transitive, archaic) To treat revengefully; to wreak vengeance on.
▸ noun:  (archaic) An act of vengeance; a revenge.

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