confirmatory Synonyms

confirmative corroboratory substantiating collateral verifying corroborative confirming validating verificatory validatory substantiative indirect dependent coefficient corroborating corroboration nonmetallic positive supportive confirmational affirmation acknowledgement upheld supporting substract showing sanctioning confirmed confirmation ancillary agreeing affirmatory affirmative affirmance adjunctive adjuvant acquiescent acknowledge appurtenant attendant attesting confirm concurrent concomitant coincident checking certifying auxiliary authorizing audit