vindicate

verb

1. 1

   To clear of an accusation, suspicion or criticism.

   “to vindicate someone's honor”

2. 2

   To justify by providing evidence.

   “to vindicate a right, claim or title”

3. 3

   To maintain or defend (a cause) against opposition.

   “to vindicate the rights of labor movement in developing countries”

4. 4

   To provide justification for.

   “The violent history of the suspect vindicated the use of force by the police.”

5. 5

   To lay claim to; to assert a right to; to claim.

6. 6

   To liberate; to set free; to deliver.

7. 7

   To avenge; to punish

   “a war to vindicate infidelity”