confirmatory

from WordNet (r) 3.0 (2006)

confirmatory
    adj 1: serving to support or corroborate; "collateral evidence"
           [syn: {collateral}, {confirmative}, {confirming},
           {confirmatory}, {corroborative}, {corroboratory},
           {substantiating}, {substantiative}, {validating},
           {validatory}, {verificatory}, {verifying}]

from The Collaborative International Dictionary of English v.0.48

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]

[email protected]