as in evidence
something presented in support of the truth or accuracy of a claim
the signature of a witness provides substantiation that a person's will is genuine
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Recent Examples of substantiation
Courts have consistently ruled that failure to comply with substantiation rules leads to disallowance, no matter how genuine the donation.
—
Matthew F. Erskine, Forbes.com, 9 Sep. 2025
Trump’s post did not include any substantiation for his claims.
—Alicia Wallace, CNN Money, 24 Aug. 2025
Matthew F. Erskine, Forbes.com, 9 Sep. 2025
Trump’s post did not include any substantiation for his claims.
—Alicia Wallace, CNN Money, 24 Aug. 2025
Recent Examples of Synonyms for substantiation
Noun
-
Sanders said there has been no evidence of cancer since the surgery.—
Jackson Thompson,
FOXNews.com,
9 Nov. 2025
-
No evidence of data misuse was reported.—
Charlotte Reck,
CNN Money,
9 Nov. 2025
Noun
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Lively’s disclosure notes that her damages figure is preliminary, and subject to proof via expert testimony at trial.—
Gene Maddaus,
Variety,
7 Nov. 2025
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These figures are preliminary and will be subject to proof via expert testimony, per the filing.—
Becca Longmire,
PEOPLE,
7 Nov. 2025
Noun
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At the city council meeting on Tuesday, Manny, in his emotional testimony, urged council members to oppose the federal enforcement.—
David Chiu,
PEOPLE,
7 Nov. 2025
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Lively’s disclosure notes that her damages figure is preliminary, and subject to proof via expert testimony at trial.—
Gene Maddaus,
Variety,
7 Nov. 2025
Noun
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Borrowers should focus on keeping their loans in good standing with consistent payments and maintaining documentation and payment history, said Ken Ruggiero, chief executive of lender Ascent.—
Medora Lee,
USA Today,
11 Nov. 2025
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The Navy’s Combat Art Program is an enduring component of military operational documentation and heritage that should be appreciated.—
Michael James Rocha,
San Diego Union-Tribune,
9 Nov. 2025
Cite this Entry
“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 14 Nov. 2025.
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