substantiation

noun

Definition of substantiationnext
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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of substantiation Trump has claimed without substantiation that vandals dumped fertilizer into the pool and slashed the coating with a box cutter. — Michael Kunzelman, Los Angeles Times, 9 July 2026 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
Recent Examples of Synonyms for substantiation
  1. evidence
  2. proof
  3. testimony
  4. documentation
Noun
  • The case is nearly 30 years old, which has affected the kind of evidence presented in court.
    — Jonathan Landrum Jr, Chicago Tribune, 1 Sep. 2026
  • At the time, Duncan’s attorneys with a New Orleans nonprofit had filed a post-conviction appeal but did not have the resources to conduct a fuller investigation and uncover new evidence required to win.
    — Richard A. Webster, ProPublica, 31 Aug. 2026
Definition of evidence
Noun
  • Rocket Mortgage may ask for supporting documentation, including proof of residence, proof of income, proof of funds for your down payment and more.
    — Dan Simms, USA Today, 30 Aug. 2026
  • Research has advanced considerably, but much of 4D printing remains at the laboratory and proof-of-concept stage.
    — Kaif Shaikh, Interesting Engineering, 30 Aug. 2026
Definition of proof
Noun
  • The memo provides a summary of the agreement between Google and Entergy, as well as summaries of testimony provided by Entergy officials in support of the contract.
    — Sydney Sasser, Arkansas Online, 1 Sep. 2026
  • The panel of 16 jurors, four of whom are alternates, heard testimony from 24 prosecution witnesses and three defense witnesses over nine days.
    — Jonathan Landrum Jr, Chicago Tribune, 1 Sep. 2026
Definition of testimony
Noun
  • The vulnerability occurs when a coding agent with permission to run shell commands treats the file as authoritative setup documentation.
    — Dan Goodin, ArsTechnica, 27 Aug. 2026
  • At the same time, medical action starts the documentation process.
    — Matthew Kayser, USA Today, 26 Aug. 2026
Definition of documentation

Browse Nearby Words

substantiating
substantiation
substantiations
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Cite this Entry

“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 1 Sep. 2026.

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