Found 2 items, similar to confirmative.
English → English (WordNet)
Definition: confirmative
confirmative
adj : serving to support or corroborate;
“collateral evidence”
[syn:
collateral,
confirming,
confirmatory,
corroborative,
corroboratory,
substantiating,
substantiative,
validating,
validatory,
verificatory,
verifying]
English → English (gcide)
Definition: Confirmative
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]