confirming

(a) indicating existence or presence of a suspected condition or pathogen
- a positive pregnancy test
positive,
(s) serving to support or corroborate
- collateral evidence
confirmative, confirmatory, corroborative, corroboratory, substantiating, substantiative, validating, validatory, verificatory, verifying, collateral,

positive confirmative confirmatory corroborative corroboratory substantiating substantiative validating validatory verificatory verifying collateral

disconfirming negative