Serving to support or corroborate
English: collateral, confirmative, confirming, confirmatory, corroborative, corroboratory, substantiating, substantiative, validating, validatory, verificatory, verifying
collateral, confirmative, confirmatory, confirming, corroborative
English: collateral, confirmative, confirming, confirmatory, corroborative, corroboratory, substantiating, substantiative, validating, validatory, verificatory, verifying