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Substantiate

səbˈstanʃieɪt

Substantiate definitions
verb
substantiate substantiated substantiates substantiating
  1. provide evidence to support or prove the truth of

    "they had found nothing to substantiate the allegations"

    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