AskDefine | Define substantiate

Dictionary Definition



1 establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant" [syn: confirm, corroborate, sustain, support, affirm] [ant: negate]
2 represent in bodily form; "He embodies all that is evil wrong with the system"; "The painting substantiates the feelings of the artist" [syn: incarnate, body forth, embody]
3 make real or concrete; give reality or substance to; "our ideas must be substantiated into actions" [syn: realize, realise, actualize, actualise]
4 solidify, firm, or strengthen; "The president's trip will substantiate good relations with the former enemy country"

User Contributed Dictionary



  1. to verify something by supplying evidence; to corroborate or authenticate
  2. to give material form or substance to something; to embody

Synonyms, Antonyms and Related Words

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
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