The Collaborative International Dictionary of English v.0.48:
Revenge \Re*venge"\, v. t. [imp. & p. p. Revenged, p. pr. &
vb. n. Revenging.] [OF. revengier, F. revancher; pref. re-
re- + OF. vengier to avenge, revenge, F. venger, L.
vindicare. See Vindicate, Vengerance, and cf.
1. To inflict harm in return for, as an injury, insult, etc.;
to exact satisfaction for, under a sense of injury; to
avenge; -- followed either by the wrong received, or by
the person or thing wronged, as the object, or by the
reciprocal pronoun as direct object, and a preposition
before the wrong done or the wrongdoer.
To revenge the death of our fathers. --Ld. Berners.
The gods are just, and will revenge our cause.
Come, Antony, and young Octavius, come,
Revenge yourselves alone on Cassius. --Shak.
2. To inflict injury for, in a spiteful, wrong, or malignant
spirit; to wreak vengeance for maliciously.
Syn: To avenge; vindicate. See Avenge.