Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive verb To prove the truth of or support with proof or evidence: synonym: confirm.
  • transitive verb To give substance to; make real or actual.

from The Century Dictionary.

  • To make to exist; make real or actual.
  • To establish by proof or competent evidence; verify; make good: as, to substantiate a charge or an allegation; to substantiate a declaration.
  • To present as having substance; body forth.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To make to exist; to make real.
  • transitive verb To establish the existence or truth of by proof or competent evidence; to verify.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive to verify something by supplying evidence; to corroborate or authenticate
  • verb transitive to give material form or substance to something; to embody

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb represent in bodily form
  • verb solidify, firm, or strengthen
  • verb make real or concrete; give reality or substance to
  • verb establish or strengthen as with new evidence or facts

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin substantiāre, substantiāt-, from Latin substantia, substance; see substance.]

Examples

  • About the worst anyone can substantiate is that Obama derailed another Democrat or two for using fake signatures to get on the ballot.

    Whither McCain on Stevens’ Indictment? - The Caucus Blog - NYTimes.com

  • I have waited for many hours now for anyone to substantiate a word of what Shuster said.

    Think Progress » MSNBC’s Shuster: Signs Point To Rove Indictment

  • More-over, those who used his name to substantiate their own pet notions, those who would quote and misquote him endlessly, would find it convenient to forget that it was he who insisted that no canal should be considered until the comparative advantages and disadvantages of all possible routes were examined firsthand by experienced people and according to uniform standards.

    The Path Between the Seas

  • More-over, those who used his name to substantiate their own pet notions, those who would quote and misquote him endlessly, would find it convenient to forget that it was he who insisted that no canal should be considered until the comparative advantages and disadvantages of all possible routes were examined firsthand by experienced people and according to uniform standards.

    The Path Between the Seas

  • CQ reported that not only were they true, but transcripts of Jane's recorded calls substantiate them.

    LewRockwell.com

  • When you concoct facts that aren't there and then insist on them to "substantiate" your ignorance, then don't be surprised if people think you're not rational.

    Nipping the PIE ergative *-s theory right in the bud

  • Another question: what do you mean by "substantiate" If you mean, can they "prove" the validity of NDE, I'd agree that the number is zero.

    The Memory Hole

  • That she insists that I would have to present to her a description of my daily life that meets her standards in order to "substantiate" my position to her satisfaction does, indeed, warrant a responsive demand that she first prove to me she has any standing or authority that I should recognize.

    Archive 2006-07-01

  • Even our Reviewer finds evidence to "substantiate" that, given against George Burroughs, resting on spectres, in his feats of strength, in some malignant neighborhood scandals, and in exaggerated forms of parish or personal animosities.

    Salem Witchcraft and Cotton Mather A Reply

  • Freedom Foundation and Competitive Enterprise Institute to author studies designed to "substantiate" their claims for greater subsidies.

    CounterPunch

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