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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Humpback whale song has previously been connected between whales between Omani and Indian coasts, Luban’s long journey is first direct evidence of an ASHW crossing the Arabian Sea.
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At a hearing last month, Carro ruled that a gun and notebook that prosecutors said linked Mangione to the killing could be used as evidence against him.
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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Prosecutors charged King with perjury in October 2025 when he was accused of lying during grand jury testimony; however, those charges were thrown out in December before being refiled in March.
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The testimony offers a rare window into how Epstein allegedly tried to use compromising information to manipulate at least one powerful public figure.
Noun
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Your Petition — filed three business days before the deadline, without any supporting information or documentation, and only after abandoning your recent litigation efforts to avoid NCAA sanctions — does not provide a basis for the League to alter those plans.
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This growing need has led to the emergence of specialized crypto recovery firms that focus on blockchain analysis, digital investigations and forensic documentation.
Cite this Entry
“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 25 Jun. 2026.
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