SUBSTANTIATION Synonyms: 34 Similar and Opposite Words

substantiation

noun

Definition of substantiation

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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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

Noun

Some must also be housed and cared for as evidence, either until charges against a defendant are dismissed or the animals are permanently seized by the government.

— John Donegan LONG BEACH POST, Arkansas Online, 15 Sep. 2026
Despite this modest tourism boom, the town retains plentiful architectural evidence of its history as a turn-of-the-century manufacturing hub, with an abundance of red-brick and steel edifices lining its streets.

— Condé Nast, Condé Nast Traveler, 15 Sep. 2026

Definition of evidence

Noun

Clancy was tried in a Massachusetts court of law, one of the few venues where defendants such as Clancy enjoy the presumption of proof for pleas of insanity, once they are allowed to make such a plea.

— Richard E. Vatz, Baltimore Sun, 6 Sep. 2026
These recipes for muffins, snack mix, energy balls and more are proof that eating better doesn’t have to be boring, regardless of age.

— Anna Luisa Rodriguez, Washington Post, 5 Sep. 2026

Definition of proof

Noun

Sandusky’s trial produced shocking testimony from other victims The shadow of Penn State’s influence in this borough in the center of the commonwealth continues to hang over the case.

— Andy Rose, CNN Money, 7 Sep. 2026
About two months after his testimony, Pujo’s report mapped out in pitiless detail all the interrelationships between Morgan and his small network of industrialists.

— Business Columnist, Los Angeles Times, 7 Sep. 2026

Definition of testimony

Noun

The documentation looked secure, but the environment told a different story.

— Scott Alldridge, Forbes.com, 10 Sep. 2026
Michael Khalili was eager to join the Common Cause lawsuit to help fellow observers, since in his case there is documentation of some of his encounters.

— Jude Joffe-Block, NPR, 10 Sep. 2026

Definition of documentation

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substantiating

substantiation

substantiations

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“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 15 Sep. 2026.

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Synonyms of substantiation

noun

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