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’s post did not include any substantiation for his claims. — Alicia Wallace, CNN Money, 24 Aug. 2025 As with the seven other cases, the claim to have brought peace in Gaza lacks substantiation. — Timothy Joseph, The Conversation, 21 Jan. 2026 Some companies may have responded to an initial notice without all of the substantiation required. — Guinevere Moore, Forbes.com, 26 Jan. 2026 One systematic review found no substantiation for the concept as a medical condition. — Angela Haupt, Time, 24 Apr. 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 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 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
Recent Examples of Synonyms for substantiation
  1. evidence
  2. proof
  3. testimony
  4. documentation
Noun
  • The research behind scent training for dogs A growing body of evidence suggests that scent work is one of the most effective and accessible forms of enrichment available for anxious dogs.
    — Ryan Brennan, Fort Worth Star-Telegram, 7 July 2026
  • The attack, which was confirmed by local Russian officials, provides further evidence of Kyiv's enhanced long-range drone capabilities and comes on the eve of a crunch NATO summit.
    — Sam Meredith, CNBC, 7 July 2026
Definition of evidence
Noun
  • Each of our squirrel-proof bird feeder picks is top rated on Amazon, and our list includes popular brands like Brome, Kingsyard, and Perky-Pet.
    — Stephanie Osmanski, Better Homes & Gardens, 6 July 2026
  • White sneakers tend to lead the trends come spring and summer, but Styles is proof that a black pair of comfy kicks is just as wearable—with a slightly more edgy feel.
    — Reece Andavolgyi, InStyle, 5 July 2026
Definition of proof
Noun
  • Prosecutors rested their case on Thursday, July 2, after about two weeks of testimony at the Guinn Justice Center courthouse in Cleburne.
    — Amy McDaniel, Fort Worth Star-Telegram, 7 July 2026
  • His fears were rooted in delusions that also touched on the nation’s fentanyl crisis and the war in Ukraine, according to court testimony.
    — Jakob Rodgers, Mercury News, 6 July 2026
Definition of testimony
Noun
  • Rodríguez said emergency economic measures will include relief funds for victims and temporary waivers on documentation and property registration fees to facilitate housing relocation.
    — Antonio María Delgado, Miami Herald, 3 July 2026
  • Be prepared with all of the documents above, plus any other documentation the lender may request.
    — Kelsey Neubauer, CNBC, 2 July 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 7 Jul. 2026.

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