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
Additionally, consumer awareness of microplastic pollution is higher than brands realize, raising the stakes for fiber content disclosure, preferred fiber programs, and claims substantiation across the supply chain.
—
Angela Velasquez, Footwear News, 27 Apr. 2026
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
Angela Velasquez, Footwear News, 27 Apr. 2026
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
Recent Examples of Synonyms for substantiation
Noun
-
In gathering evidence, the commission received videos and testimony from officials and ordinary citizens, and held five public hearings that wrapped up on Tuesday.—
Olivia Olander,
Chicago Tribune,
1 May 2026
-
The Salt Lake County district attorney’s office and the Draper City prosecutor both declined to file charges against Paul in April, citing insufficient evidence to prove allegations beyond a reasonable doubt.—
Senior Television,
Los Angeles Times,
1 May 2026
Noun
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The leading option for this was developed by John Moffat in the same year that the Bullet Cluster’s empirical proof was released.—
Big Think,
Big Think,
29 Apr. 2026
-
Each of these proofs, in turn, has relied on other proofs to make its point, and so on.—
Quanta Magazine,
Quanta Magazine,
29 Apr. 2026
Noun
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The 73-year-old Weinstein kept his eyes trained on Mann throughout her Tuesday testimony, intermittently whispering to his attorney, Teny Geragos.—
Molly Crane-Newman,
New York Daily News,
29 Apr. 2026
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Convened to hear testimonies of perfection, the congregation would sing.—
Literary Hub,
Literary Hub,
28 Apr. 2026
Noun
-
The detainees—from Pakistan, India, Nigeria, Bangladesh, Myanmar and eight other nations—were found in restricted compounds, some lacking passports or proper immigration documentation.—
Rodney Muhumuza,
Los Angeles Times,
28 Apr. 2026
-
Those messages outline a project to have Russian artists perform in the pavilion from May 5–8 and then install multimedia documentation of those performances, to be seen from windows outside the closed pavilion.—
Devorah Lauter,
ARTnews.com,
28 Apr. 2026
Cite this Entry
“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 2 May. 2026.
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