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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of substantiation
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
Consequently, all three adverts were upheld as breaches of the CAP Code—more specifically, edition 12 of the primary framework for the rulings—and slapped with misleading advertising and lack of substantiation.
—Alexandra Harrell, Sourcing Journal, 3 Dec. 2025
Trump’s post did not include any substantiation for his claims.
—Alicia Wallace, CNN Money, 24 Aug. 2025
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
Consequently, all three adverts were upheld as breaches of the CAP Code—more specifically, edition 12 of the primary framework for the rulings—and slapped with misleading advertising and lack of substantiation.
—Alexandra Harrell, Sourcing Journal, 3 Dec. 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
-
There is, at present, some evidence for dark energy weakening over time, although the results from the DESI collaboration, which provide the strongest evidence to date for such a scenario, are highly ambiguous.—
Big Think,
Big Think,
20 Feb. 2026
-
The episode delves into the confidential medical procedure to collect DNA and evidence and gives one of the most detailed depictions of the process for television.—
Senior Television,
Los Angeles Times,
20 Feb. 2026
Noun
-
The perspective of this photo is proof enough.—
AJ Willingham,
AJC.com,
18 Feb. 2026
-
For Rebillard, the fossil is also proof that all three prey species not only lived together in the same geologic time but also died together in the same week or even day.—
Meghan Bartels,
Scientific American,
18 Feb. 2026
Noun
-
Federal prosecutors dropped charges against two Venezuelan men — who had been accused of attacking one of the officers with a snow shovel and broom handle — after video evidence contradicted the officers’ sworn testimony.—
Jim Mustian,
Twin Cities,
18 Feb. 2026
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The faces of she and others who testified were not shown during a video livestream of the testimony because of their young ages.—
Jeff Martin,
Los Angeles Times,
17 Feb. 2026
Noun
-
The greatness of his work isn’t only in its documentation of extraordinary events but in the fervor with which Wiseman himself experiences them.—
Richard Brody,
New Yorker,
17 Feb. 2026
-
For an exhausted workforce, the appeal of handing off routine tasks such as documentation to AI is undeniable.—
Hilke Schellmann,
Scientific American,
17 Feb. 2026
Cite this Entry
“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 21 Feb. 2026.
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