substantiate(redirected from substantiator)
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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.
substantiateverb 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