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?
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
1
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
2
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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3
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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4
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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5
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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of substantiating
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
Verb
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
-
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
-
Sure, that was exacerbated, and to some degree directly caused, by the ample non-supporting cast around him, especially on the offensive line.—
Vahe Gregorian,
Kansas City Star,
11 Sep. 2025
Verb
-
At a time when consumers are pushing back on luxury pricing and seeking stronger value, the middle market is proving more resilient than expected.—
Maliha Shoaib,
Vogue,
27 Apr. 2026
-
These unmanned systems are proving vital for high-risk logistics and medical evacuations, insulating soldiers from the most dangerous aspects of frontline operations.—
Mrigakshi Dixit,
Interesting Engineering,
27 Apr. 2026
Verb
-
Part of the new study also included verifying Curiosity’s results with extensive testing in labs on Earth.—
Ashley Strickland,
CNN Money,
24 Apr. 2026
-
Zvi Reich called sources the cornerstones of journalistic activities such as detecting, researching, and verifying news.—
Florian Wintterlin,
Encyclopedia Britannica,
23 Apr. 2026
Verb
-
He is widely recognized for embodying a bold, distinctly Philadelphia spirit and his strong support of the Flyers.—
Samantha Agate,
Miami Herald,
28 Apr. 2026
-
This was his final project, its unfettered ethos embodying his approach to vacation time.—
Condé Nast,
Condé Nast Traveler,
28 Apr. 2026
Verb
-
Davis will lead Solbari’s wholesale strategy, building a national network of sales representatives, securing retail partnerships and establishing a seasonal wholesale cadence.—
Alexandra Harrell,
Footwear News,
1 May 2026
-
Her sister, Marsie Scharlatt, one of the estate’s executors, was tasked with establishing an archive of Wilke’s art and materials in Los Angeles, becoming the main contact for curators and galleries researching her work.—
Angelica Villa,
ARTnews.com,
1 May 2026
Verb
-
Between systems, there will still be milder days, but they may be interrupted by additional reinforcing fronts.—
Brandi D. Addison,
USA Today,
30 Apr. 2026
-
Nonprofits and civil society groups, for their part, can boost Bang for Buck’s expansion, reinforcing methodology consistency across the manufacturing ecosystem.—
Jasmin Malik Chua,
Footwear News,
30 Apr. 2026
Verb
-
These galaxies do not follow the relations predicted by either the external field effect or the baryonic Tully-Fisher relation, demonstrating that such an effect is not universal.—
Big Think,
Big Think,
29 Apr. 2026
-
The man suspected to be the gunman who opened fire at the White House Correspondents' Association dinner on April 25 appeared in a Los Angeles television news report demonstrating a prototype wheelchair in 2017.—
Gabe Hauari,
USA Today,
27 Apr. 2026
Verb
-
Defense Blog reported that the system was tested in a live-fire scenario, confirming its ability to deploy armed drones during active operations.—
Neetika Walter,
Interesting Engineering,
30 Apr. 2026
-
Leonardi submitted a letter to the commissioner confirming her secretary used the credit card to buy the $150 ticket to the gala.—
Natalie La Roche Pietri,
Miami Herald,
30 Apr. 2026
Cite this Entry
“Substantiating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiating. Accessed 2 May. 2026.
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