vindicationn.[L. 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.)