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To establish the existence or truth of a particular fact through the use of competent evidence; to verify.

For example, an Eyewitness might be called by a party to a lawsuit to substantiate that party's testimony.


verb actualize, affirm, attest, bear out, bear witness, certify, circumstantiate, corroborate, demonstrate, embody, establish by proof, evidence, make good, materialize, objectify, prove, ratify, realize, reify, substantialize, support, uphold, verify, vindicate
Associated concepts: substantiate a claim, substantiate charges
See also: adduce, attest, bear, cite, confirm, corroborate, demonstrate, document, establish, maintain, probate, prove, quote, realize, seal, show, state, support, sustain, uphold, validate, verify, witness
References in periodicals archive ?
Research further substantiates that violence occurs more frequently among highly stressed workers than those experiencing lower stress (Northwestern National Life, 1993).
As a number of workers observed, and the data produced by the study substantiates, the most important skills on the job are "communication" and "interpersonal skills".
From a practical perspective, this means that the employer must be vigilant and demand that employees substantiate their expenses and return amounts in excess of substantiated expenses within a reasonable time.
274-5T(c)(2)(iii) does not require original documents to satisfy its requirement for documentary evidence to substantiate travel expenses.
The Tax Court seemed to indicate that a taxpayer has substantially complied with the substantiation requirements if the information submitted substantiates the donor's claim that (1) the donation of specified property was made during the year, (2) the property was appraised by a qualified appraiser at the amount claimed by the donor as a charitable contribution and (3) the donee was qualified to receive a contribution.
To substantiate the deduction, the taxpayer had the blimps appraised by a qualified appraiser and completed and filed Form 8283, Noncash Charitable Contributions (containing a detailed appraisal summary), with its return.