Webster's Revised Unabridged Dictionary · 1913

Vindication

Vindication , noun

[Latin vindicatio a laying claim, defense, vindication. See Vindicate.]

1.
The act of vindicating, or the state of being vindicated; defense; justification against denial or censure; as, the vindication of opinions; his vindication is complete.
Occasion for the vindication of this passage in my book. — Locke
2.
(Civil Law) The claiming a thing as one's own; the asserting of a right or title in, or to, a thing. — Burrill