confirmative

from WordNet (r) 3.0 (2006)

confirmative
    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

Confirmative \Con*firm"a*tive\, a. [L. confirmativus: cf. F.
   confirmatif.]
   Tending to confirm or establish. --Sherwood. --
   {Con*firm"a*tive*ly}, adv.
   [1913 Webster]

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