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
-
Siebert had recently told Justice Department officials that investigators found insufficient evidence to charge James, according to the New York Times.—
Ross O'Keefe,
The Washington Examiner,
20 Sep. 2025
-
There’s already evidence that is happening, especially as the reaction to the tariffs has finally started to filter into the greater economy.—
Erik Sherman,
Forbes.com,
20 Sep. 2025
Noun
-
Cycling the heat on and off allows the robots to adjust speed and even change direction — proof that controlled, repeatable motion is possible at this tiny scale.—
Neetika Walter,
Interesting Engineering,
26 Sep. 2025
-
The proof is inked on his right arm.—
Jessica Guynn,
USA Today,
26 Sep. 2025
Noun
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Johnson ruled that Gaines and the other athletes’ lawsuit may now advance to limited initial discovery, in which both parties will have 90 days to share relevant documents and give testimony.—
Abby Monteil,
Them.,
26 Sep. 2025
-
The case will advance to limited initial discovery, meaning the parties need to provide testimony and share relevant emails and other documents.—
Michael McCann,
Sportico.com,
26 Sep. 2025
Noun
-
Turn over the entire original case file, including investigative reports, warrant documentation, and administrative notes, after PSU completes its investigation.—
Monroe Trombly,
Louisville Courier Journal,
23 Sep. 2025
-
According to documentation provided by the development district, Phase 1 of the project, made up of surveys and permitting, is 90% completed.—
Arkansas Online,
Arkansas Online,
23 Sep. 2025
Cite this Entry
“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 27 Sep. 2025.
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