Sub·stan·ti·ate v. t. [imp. & p. p. Substantiated p. pr. & vb. n. Substantiating.]
1. To make to exist; to make real.
2. To establish the existence or truth of by proof or competent evidence; to verify; as, to substantiate a charge or allegation; to substantiate a declaration.
Observation is, in turn, wanted to direct and substantiate the course of experiment. --Coleridge.
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substantiating
adj : serving to support or corroborate; "collateral evidence"
[syn: collateral, confirmative, confirming, confirmatory,
corroborative, corroboratory, substantiative, validating,
validatory, verificatory, verifying]