1. (v. t.) To make to exist; to make real.
2. (v. t.) 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.
Thesaurus Entries
adduce, affirm, anatomize, assay, atomize, attest, authenticate, back, back up, bear out, body, bolster, bring to test, buttress, certify, circumstantiate, cite, confirm, corporealize, corporify, corroborate, cut and try, demonstrate, descend to particulars, detail, document, embody, enter into detail, essay, experiment, exteriorize, externalize, fortify, give a try, give a tryout, give full particulars, have a go, incarnate, incorporate, instance, itemize, justify, manifest, materialize, objectify, particularize, personalize, personify, play around with, practice upon, probate, prove, put to trial, ratify, reembody, reincarnate, reinforce, research, road-test, run a sample, sample, shake down, specify, spell out, strengthen, substantialize, substantify, support, sustain, taste, test, transmigrate, try, try it on, try out, undergird, uphold, validate, verify, warrant
