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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Antonyms & Near Antonyms
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
-
The Chicago Cubs are one step closer to proving that Wrigley View Rooftop is breaking the law by selling access to a rooftop building where fans can watch Cubs games in person without actually paying the Cubs.—
Michael McCann,
Sportico.com,
4 May 2026
-
Los Angeles ultimately regrouped in plenty of time to win its second straight World Series, but the Dodgers are again proving fallible at a time when the Padres are scuffling.—
Jeff Sanders,
San Diego Union-Tribune,
4 May 2026
Verb
-
Republican Secretary of State Denny Hoskins and local election officials will now be tasked with verifying whether the campaign collected enough signatures.—
Kacen Bayless,
Kansas City Star,
3 May 2026
-
The bureau recommends logistics companies take thorough security measures like independently verifying shipment requests and pickups using secondary methods prior to releasing any loads, as well as implementing multi-channel verification for identities.—
Will McCurdy,
PC Magazine,
2 May 2026
Verb
-
Appearing as a cryptic psychic presence, Josh serves as both a warning and a reckoning, embodying consequences Blue cannot escape.—
Melanie Goodfellow,
Deadline,
6 May 2026
-
As one of six hairstylists featured, all using True Hair Company hair, Wauchope says his specific collection was all about feminine spirituality and embodying the human form of what God is.—
Essence,
Essence,
4 May 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
-
Federal prosecutors said while many people were peacefully demonstrating against immigration enforcement operations in Los Angeles County last summer, some people sought to use violence to obstruct, impede or injure officers conducting the enforcement operations.—
Ruben Vives,
Los Angeles Times,
7 May 2026
-
Facing this new urgency, NASA officials are eager to transition from demonstrating reliable lunar landers to delivering tangible infrastructure to the Moon’s surface.—
Stephen Clark,
ArsTechnica,
6 May 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 7 May. 2026.
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