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;
    [Antonyms] disprove, refute
  • Definition of substantiate in:

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    Word of the day deictic
    Pronunciation: ˈdeɪktɪk
    adjective
    denoting a word whose meaning depends on context...