'Confirmatory' definitions:

Definition of 'confirmatory'

From: WordNet
adjective
Serving to support or corroborate; "collateral evidence" [syn: collateral, confirmative, confirming, confirmatory, corroborative, corroboratory, substantiating, substantiative, validating, validatory, verificatory, verifying]

Definition of 'Confirmatory'

From: GCIDE
  • Confirmatory \Con*firm"a*to*ry\, a. Serving to confirm; corroborative. [1913 Webster]
  • A fact confirmatory of the conclusion. --I. Taylor. [1913 Webster]
  • 2. Pertaining to the rite of confirmation. --Compton. [1913 Webster]