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
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of substantiating
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
Verb
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
-
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
-
That takes us to Monday afternoon and Jena proving that point by sharing behind-the-scenes content on social media in the form of a bikini parade from this year's fitting.—
Sean Joseph OutKick,
FOXNews.com,
11 May 2026
-
And as the creator economy continues to grow in reach and profitability, content creators like Logan Walter are fundamentally proving its value.—
Emma Burleigh,
Fortune,
11 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
-
His first year has been one of adjustment, centered on establishing himself in the role and turning his American roots into assets, along with his time in Latin America.—
Christopher Lamb,
CNN Money,
8 May 2026
-
Even so, the coincidence feels like an anointing, long overdue for someone who has spent decades in just about every beloved franchise, quietly establishing himself as the most important—or at least prolific—person in genre entertainment.—
James Grebey,
Time,
8 May 2026
Verb
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This begins with reinforcing clear policies that protect student access to education regardless of immigration status, while expanding counseling, legal resource referrals and family outreach to address fear and confusion related to immigration enforcement.—
Jemma Stephenson,
San Diego Union-Tribune,
7 May 2026
-
Following the downfall of Zhang and his lieutenant in January, an editorial published by the official PLA Daily newspaper accused the two former military leaders of undermining Xi’s ultimate authority while also reinforcing Xi’s message of zero-tolerance on corruption.—
Steven Jiang,
CNN Money,
7 May 2026
Verb
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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
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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
-
The website instructs guests not to go to the airport, confirming that the airline carrier has officially shut down and all flights are cancelled.—
Kaitlyn McCormick,
USA Today,
7 May 2026
-
On Tuesday, May 5, the Mahwah Health Department issued a health alert on social media, confirming that a beaver had tested positive for rabies and that those bitten were receiving treatment.—
Adam England,
PEOPLE,
6 May 2026
Cite this Entry
“Substantiating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiating. Accessed 14 May. 2026.
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