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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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

Patent knee-high boots brought edge, while her now-signature purple scarf added a vibrant pop—proving that even minimalists appreciate a jolt of color.

— Kristina Rutkowski, Vogue, 14 Oct. 2026
The property is debuting as a member of Leading Hotels of the World, ushering in a new era of luxury for the area, and proving that, yes, chic and fabulous things can happen on either side of the Intracoastal.

— Todd Plummer, Condé Nast Traveler, 13 Oct. 2026

Definition of proving

Verb

Some countries, such as Australia, require the platforms themselves to develop ways of verifying a user’s age.

— Ari Lightman, The Conversation, 16 Oct. 2026
For Synopsys, a company that develops software for designing and verifying semiconductors, CFO Shelagh Glaser said the cost side got real fast.

— Sheryl Estrada, Fortune, 15 Oct. 2026

Definition of verifying

Verb

Tonight’s lesson is on truthfulness and embodying loving kindness.

— Maddie Connors, Los Angeles Times, 14 Oct. 2026
In the age of driving, cars have been our homes and our exoskeletons, fortresslike rooms of one’s own, embodying an intoxicating combination of danger and safety.

— Molly Fischer, New Yorker, 12 Oct. 2026

Definition of embodying

Verb

For a government overseeing a population dominated by mobile expats, that created a lot of uncertainty in terms of establishing an economic base that can support a welfare system and basic state infrastructure.

— Mia Osmonbekov, Fortune, 18 Oct. 2026
Noah Clowney has flashed as a floor-spacing big without establishing himself over a full season.

— C.J. Holmes, New York Daily News, 18 Oct. 2026

Definition of establishing

Verb

That same day, Houzz released its 2026 outdoor trends study, reinforcing the zoned-yard pattern.

— Lauren Schuster, Kansas City Star, 16 Oct. 2026
The Dodgers, after reinforcing their back-to-back championship roster in the offseason and entering the year as the World Series favorites, fell short.

— Maddie Lee, Los Angeles Times, 16 Oct. 2026

Definition of reinforcing

Adjective

The community of Crystal Lake wants to be supportive, especially Levon (William Catlett), a widower with a dark past and big ole crush on Pamela and her exceptional sweater.

— Daniel Fienberg, HollywoodReporter, 13 Oct. 2026
Many of its socks feature a signature honeycomb design at the arch, which helps create a more secure fit, minimize bunching, and provide a supportive feel.

— Katie Decker-Jacoby, StyleCaster, 13 Oct. 2026

Definition of supportive

Verb

There's also the gap between demonstrating a prototype and delivering a finished vehicle.

— Kurt Knutsson, FOXNews.com, 18 Oct. 2026
Its progress will depend on integrating the communications hardware and demonstrating the system’s performance through testing.

— Aamir Khollam, Interesting Engineering, 17 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 21 Oct. 2026.

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Synonyms of substantiating

adjective

verb

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