warrant Synonyms - page 3

concession commission circumstantiate charter certify certification certificate corroborate countenance countersign deserve deserving deserved depone delegation debenture credential covenant coupon capias capacitate brevet asseverate assert assent approve appanage allow affirm affidavit accreditation assignat assure attest bail avow avouch aver authorize authorization authority authenticate attestation accredit diploma legitimize hostage homologate guaranty guaranteed