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