vindicate

verb

1.
show to be right by providing justification or proof
righten rightwise justify
Uses:
vindication
Agent:
vindicator
Derived from:
vindication vindicator vindicatory
2.
maintain, uphold, or defend
Agent:
vindicator
Event:
vindication
Derived from:
vindication vindicator
By means of:
vindication
3.
clear of accusation, blame, suspicion, or doubt with supporting proof