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
Bottoms also thinks Trump won the 2020 presidential race and was the target of an FBI assassination plot, again without substantiation.
—
Krista Kafer,
Denver Post,
28 May 2026
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
One systematic review found no substantiation for the concept as a medical condition.
—
Angela Haupt,
Time,
24 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
Krista Kafer,
Denver Post,
28 May 2026
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
One systematic review found no substantiation for the concept as a medical condition.
—
Angela Haupt,
Time,
24 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
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Investigators later conducted a second search warrant operation on June 23 that included excavating portions of the property for evidence of dogs buried in mass graves.
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This game preserves the difficulty of coming up with an elaborate, consistent false narrative on the spot, and the challenge of adapting that narrative on the fly when other players present convincing (and sometimes fake) counter-evidence.
Noun
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Some states have argued that requiring applicants to provide documentary proof of their citizenship could pose a significant barrier to voting because several forms of government ID don't include citizenship information, and many Americans don't have passports.
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The attorneys general challenged several of its directives, including a provision that required state and local officials to collect proof of citizenship from vote-by-mail applicants.
Noun
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The justices also were concerned that days of testimony at the murder trial centered around how Murdaugh stole from clients, many of them in dire straits.
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The justices were also concerned there had been too much testimony around how Murdaugh stole from clients, many of them in dire straits.
Noun
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Rodríguez said emergency economic measures will include relief funds for victims and temporary waivers on documentation and property registration fees to facilitate housing relocation.
-
Be prepared with all of the documents above, plus any other documentation the lender may request.
Cite this Entry
“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 5 Jul. 2026.
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