Synonyms of 'circumstantiate'

adduce, affirm, anatomize, atomize, attest, authenticate, back, bear out, bolster, buttress, certify, cite, confirm, corroborate, detail, document, fortify, instance, itemize, particularize, probate, prove, ratify, reinforce, specify, spell out, strengthen, substantiate, support, sustain, undergird, uphold, validate, verify, warrant