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
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of substantiation
Companies that lack a clear understanding of the FTC’s strict substantiation requirements may adopt such claims prematurely, increasing their exposure to enforcement.
—
Alexandra Harrell, Sourcing Journal, 17 Mar. 2026
The smear sites have alleged, without substantiation, that targets engaged in — among other activities — extortion, embezzlement, prostitution, drug dealing and human trafficking.
—Gary Baum, HollywoodReporter, 11 Feb. 2026
Some companies may have responded to an initial notice without all of the substantiation required.
—Guinevere Moore, Forbes.com, 26 Jan. 2026
As with the seven other cases, the claim to have brought peace in Gaza lacks substantiation.
—Timothy Joseph, The Conversation, 21 Jan. 2026
Trump’s post did not include any substantiation for his claims.
—Alicia Wallace, CNN Money, 24 Aug. 2025
Alexandra Harrell, Sourcing Journal, 17 Mar. 2026
The smear sites have alleged, without substantiation, that targets engaged in — among other activities — extortion, embezzlement, prostitution, drug dealing and human trafficking.
—Gary Baum, HollywoodReporter, 11 Feb. 2026
Some companies may have responded to an initial notice without all of the substantiation required.
—Guinevere Moore, Forbes.com, 26 Jan. 2026
As with the seven other cases, the claim to have brought peace in Gaza lacks substantiation.
—Timothy Joseph, The Conversation, 21 Jan. 2026
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
-
The case was solved years later through DNA evidence, along with the exhumation of the family dog, which prosecutors said Kovacich had kicked and beaten to death.—
Sharon Bernstein,
Sacbee.com,
27 Mar. 2026
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However, Murphy wrote that there is no evidence showing the three victims were involved.—
DeJanay Booth-Singleton,
CBS News,
27 Mar. 2026
Noun
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The team takes the position seriously, as proof by the amount of draft capital invested in wide receivers over the past two years.—
Mike Kaye
March 26,
Charlotte Observer,
26 Mar. 2026
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By contrast, the SAVE America Act, as contemplated by the president, would ban most forms of mail voting and require photo ID and proof of citizenship to vote in federal elections.—
David Sivak,
The Washington Examiner,
26 Mar. 2026
Noun
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The investigation by Pirro's office centered on brief testimony last June by Powell before the Senate Banking Committee, when he was asked about cost overruns on the Fed's extensive building renovations.—
CBS News,
CBS News,
25 Mar. 2026
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Guten singled out the defense’s witness, Beatty, as too biased to render an impartial assessment, characterizing the social worker’s testimony as advocacy, not an expert opinion.—
Pamela Colloff,
ProPublica,
24 Mar. 2026
Noun
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The reestablishment of those services could have immediate effects for millions of Venezuelans living abroad, as well as for Americans with ties to the country, particularly in areas such as visas, passports and other documentation.—
Antonio María Delgado,
Miami Herald,
24 Mar. 2026
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No further documentation was provided to show Hernandez’s alleged behavior.—
Carlos De Loera,
Los Angeles Times,
24 Mar. 2026
Cite this Entry
“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 28 Mar. 2026.
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