SUBSTANTIATING Synonyms: 114 Similar and Opposite Words

substantiating 1 of 2

adjective

as in supporting

serving to give support to the truth or factualness of something without some substantiating evidence, such as a stub from a bus ticket, who's going to believe your alibi?

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Antonyms & Near Antonyms

substantiating

2 of 2

verb

present participle of substantiate

as in proving

to gain full recognition or acceptance of substantiated his claim to local mountaineering fame with a photo of himself on the summit of Mount McKinley

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Antonyms & Near Antonyms

as in verifying

to give evidence or testimony to the truth or factualness of Mr. MacGregor couldn't substantiate that it was Peter, and not some other rabbit, in the cabbage patch

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Antonyms & Near Antonyms

as in embodying

to represent in visible form the artist's intense feelings are substantiated by his paintings' bold colors and broad brush strokes

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Antonyms & Near Antonyms

disembodying

as in establishing

to show the existence or truth of by evidence substantiate the need for a tuition increase with some concrete figures

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Antonyms & Near Antonyms

as in reinforcing

to provide evidence or information for (as a claim or idea) Darwin spent the rest of his life gathering evidence to substantiate his theory of the origin of species

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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 substantiating

Verb

Made in Filo therefore demonstrates possible applications for exhibitors’ materials rather than substantiating their environmental or technical claims. — Alexandra Harrell, Footwear News, 9 Sep. 2026 In his report, Prescott said there is evidence substantiating the claim that Rodriguez-Mendez was extorting Guaranda. — Justin Muszynski, Hartford Courant, 13 Aug. 2026 There is no public evidence substantiating the rumors referenced in the online posts. — Barnini Chakraborty, The Washington Examiner, 21 July 2026 The lawsuit claims that, in letters sent in April, the school district reported investigating the incidents and substantiating the events. — Los Angeles Times, 16 June 2026 Trump, without substantiating, claimed that the FBI actually ushered rioters inside the Capitol and that the individuals only pleaded guilty out of fear of getting harsher sentences. — Chad De Guzman, Time, 8 June 2026 The minimum proof would be a letter from a physician explaining the condition and substantiating the claim. — Elliot Raphaelson, The Orlando Sentinel, 8 May 2026 Because pain is so subjective—and because of the difficulty in substantiating conditions such as whiplash and soft-tissue damage—surgery had the benefit not just of running up the clinical expense of an accident but also of seeming to ratify its legitimacy. — Patrick Radden Keefe, New Yorker, 13 Apr. 2026 Federal officials have declined to provide critical details substantiating their claim that an agent shot ICU nurse Alex Pretti in self-defense. — Tricia Escobedo, CNN Money, 26 Jan. 2026

Recent Examples of Synonyms for substantiating

Adjective

The incredible supporting cast is made up entirely of old-hand character actors, promising but underknown newcomers, and comedy- or comedy-adjacent figures with passionate niche followings and Gumby-esque limbs.

— Kathryn VanArendonk, Vulture, 17 June 2026
Some went after Cashman, some after Boone, some after Steinbrenner’s son Hal, and some after Aaron Judge’s non-supporting cast.

— Ian O'Connor, New York Times, 10 Oct. 2025

Definition of supporting

Verb

The collectors who owned them had spent months and thousands of dollars in fees proving what the cards were worth—all for thieves to take two pallets of the cards and make off with the rare collectors’ items.

— Catherina Gioino, Fortune, 21 Oct. 2026
The State cannot transform one into the other without proving every element of a crime beyond a reasonable doubt.

— ABC News, ABC News, 21 Oct. 2026

Definition of proving

Verb

Vincent Ochieng, a disaster officer with the Kenya Red Cross, said the organization had recorded 31 missing persons but was still verifying the reports.

— ABC News, ABC News, 24 Oct. 2026
Onboarding a brilliant new hire involves verifying their identity, issuing a badge and handing over a master key and a to-do list.

— Julian Durand, Forbes.com, 20 Oct. 2026

Definition of verifying

Verb

In the changeover, local DJ and sound designer Max Ville helped customize a hi-fi lounge adjacent to the dining room, embodying Brock’s zeal for collectible vinyl.

— Bill Addison, Los Angeles Times, 22 Oct. 2026
The characters are petrified like specimens, expressing and embodying only what fits into the film’s design, with no potential for inconvenient loose ends for viewers to follow outside the frame’s borders.

— Richard Brody, New Yorker, 20 Oct. 2026

Definition of embodying

Verb

The first flight will be a milestone in establishing how the design performs beyond the development environment.

— Atharva Gosavi, Interesting Engineering, 25 Oct. 2026
There is overwhelming support among Jewish Israelis for establishing a state commission to investigate the events of October 7th, and for imposing the draft on the ultra-Orthodox.

— Ruth Margalit, New Yorker, 25 Oct. 2026

Definition of establishing

Verb

The event highlights Greece’s efforts to enhance its maritime strike capabilities while reinforcing its strategic partnership with Israel amid an increasingly complex security environment in the Eastern Mediterranean.

— Prabhat Ranjan Mishra, Interesting Engineering, 25 Oct. 2026
The proposal came days after Kim Jong Un's powerful sister visited front-line areas where North Korean troops are reinforcing the border.

— Arkansas Online, Arkansas Online, 24 Oct. 2026

Definition of reinforcing

Adjective

His friendly, supportive presence showed how the rival nations (in the far-off future in which the show was set) were capable of working together.

— JONATHAN LANDRUM JR. THE ASSOCIATED PRESS, Arkansas Online, 27 Oct. 2026
Current weather conditions are extremely supportive of the color change.

— CBS News, CBS News, 27 Oct. 2026

Definition of supportive

Verb

In May 2024, The War Zone examined Chinese state television video showing soldiers taking cover from first-person-view (FPV) drones, using a net-catching projectile, and demonstrating a handheld jammer.

— Atharva Gosavi, Interesting Engineering, 25 Oct. 2026
The rise of self-harm influencers—people for whom demonstrating their distress online has become a source of income and validation—is a terrifying new development.

— Gavin Francis, The New York Review of Books, 24 Oct. 2026

Definition of demonstrating

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substantiates

substantiating

substantiation

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Style

“Substantiating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiating. Accessed 29 Oct. 2026.

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Synonyms of substantiating

adjective

verb

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