vindication

noun8

1. •
   An argument, fact, piece of evidence, etc., which vindicates (“clears someone of an accusation or suspicion; justifies a belief or claim by providing evidence or proof”).
2. •
   The action of vindicating; also, the state of being vindicated.

   • These are the reasons which I have gathered from philosophy and nature; to which I can add other circumstances in vindication of the account of this learned body who publish this almanack. — 1709
3. •
   A feeling of deserved satisfaction that comes from being proven correct.

   • When they finally admitted their actions, Anne felt vindication and walked with pride once again.
4. •
   An act of asserting or maintaining; an assertion.

   • [T]he loud "Aye, Aye" of the bulk of the members [of Parliament] supported [John] Eliot in his last vindication of English liberty. — 1874
5. •
   (historical) A legal claim for a declaration that one is the owner of a thing or the holder of a right; an action in rem.
6. •
   (no longer used) The action of avenging or taking revenge.
7. •
   (no longer used, rare) Punishment, retribution.
8. •
   (no longer used, rare) The action of setting free; deliverance.