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
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Demand for the grades 6-12 school, which typically sees over 90% of its graduates enroll in college, grew for the new facility, with a waitlist for admission as evidence, Principal Chelsea McWilliams told the Herald.—
Lance Reynolds,
Boston Herald,
13 Sep. 2025
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State prosecutors — which in this case would be the county district attorney’s office — are typically prohibited from assuming jurisdiction over a killing outside the country without compelling evidence that a suspect made plans to kill while still in the United States.—
Robert Salonga,
Mercury News,
13 Sep. 2025
Noun
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Between dives at Prime Scuba Ishigaki, you’ll be served hot mushroom curry rice, beef bowls reminiscent of Yoshinoya, and steaming soup—proof that even on the water, Ishigaki takes its food seriously.—
Kaila Yu,
Forbes.com,
12 Sep. 2025
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The American College of Obstetricians and Gynecologists has said that there is no proof of a causal link between Tylenol use in pregnancy and a child’s diagnosis of autism.—
Jacqueline Howard,
CNN Money,
12 Sep. 2025
Noun
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In a filing on Friday, Lively’s team opposed extending the deposition deadline to accommodate a deposition of Swift, questioning the relevance of her testimony and accusing Baldoni’s lawyers of causing unnecessary delay.—
Gene Maddaus,
Variety,
12 Sep. 2025
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During Donilon’s testimony, the longtime Biden aide told investigators he was paid $4 million for Biden’s reelection campaign and would have been paid another $4 million if Biden had won.—
Hailey Bullis,
The Washington Examiner,
12 Sep. 2025
Noun
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This includes reducing the documentation burden for doctors and cutting different types of paperwork that nurses have to do.—
Lauren Giella,
MSNBC Newsweek,
17 Sep. 2025
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If your documentation rules are vague or your platform can’t handle specialty-specific nuances, AI will simply replicate those problems on a larger scale.—
Terry Goertz,
Forbes.com,
16 Sep. 2025
Cite this Entry
“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 18 Sep. 2025.
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