vt to maintain, as a law or a cause, by overthrowing enemies.
2. vindicate ·vt to lay claim to; to assert a right to; to claim.
3. vindicate ·vt to liberate; to set free; to deliver.
4. vindicate ·vt to avenge; to punish; as, a war to vindicate or punish infidelity.
5. vindicate ·vt to support or maintain as true or correct, against denial, censure, or objections; to defend; to justify.
6. vindicate ·vt to maintain or defend with success; to prove to be valid; to assert convincingly; to sustain against assault; as, to vindicate a right, claim, or title.