Synonyms of substantiate in English:

substantiate

verb

  • none of the allegations were ever substantiated
    prove, give proof of, show to be true, give substance to, support, uphold, back up, bear out, justify, vindicate, validate, corroborate, verify, authenticate, confirm, endorse, give credence to, lend weight to, establish, demonstrate; vouch for, attest to, testify to, stand by, bear witness to
    [Antonyms] disprove refute
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    Word of the day setose
    Pronunciation: ˈsiːtəʊs
    adjective
    bearing bristles or setae; bristly