1. (

• justify ,
• vindicate

) show to be right by providing justification or proof; "vindicate a claim" ;

2. (

• vindicate ,

) maintain, uphold, or defend; "vindicate the rights of the citizens" ;

3. (

• vindicate ,

) clear of accusation, blame, suspicion, or doubt with supporting proof; "You must vindicate yourself and fight this libel" ;