WordNet
substantiative
adj. serving to support or corroborate; "collateral evidence" [syn: collateral, confirmative, confirming, confirmatory, corroborative, corroboratory, substantiating, validating, validatory, verificatory, verifying]
Usage examples of "substantiative".
He had always been afflicted with something of a suspicious nature, and as an exoarcheologist he was trained to draw substantiative conclusions from dozens, often hundreds, of miniscule, seemingly unrelated sources.