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Synonyms of substantiate in English:


  • 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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