revenge — to exact punishment or expiation for a wrong on behalf of, especially in a resentful or vindictive spirit: He revenged his murdered brother.
retaliation — the act of retaliating; return of like for like; reprisal.
retribution — requital according to merits or deserts, especially for evil.
vengeance — infliction of injury, harm, humiliation, or the like, on a person by another who has been harmed by that person; violent revenge: But have you the right to vengeance?
comeuppance — If you say that someone has got their comeuppance, you approve of the fact that they have been punished or have suffered for something wrong that they have done.
compensation — Compensation is money that someone who has experienced loss or suffering claims from the person or organization responsible, or from the state.
reward — a sum of money offered for the detection or capture of a criminal, the recovery of lost or stolen property, etc.
satisfaction — an act of satisfying; fulfillment; gratification.
revanche — the policy of a state intent on regaining areas of its original territory that have been lost to other states as a result of war, a treaty signed under duress, etc.
what for — the true nature or identity of something, or the sum of its characteristics: a lecture on the whats and hows of crop rotation.
return — to go or come back, as to a former place, position, or state: to return from abroad; to return to public office; to return to work.
vengefulness — desiring or seeking vengeance; vindictive: a vengeful attitude.
wrath — Cape, a high promontory in NW Scotland: most NW point on mainland.
tit for tat — with an equivalent given in retaliation, as a blow for a blow, repartee, etc.: He answered their insults tit for tat.