1
as in to prove
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
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in to verify
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
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in to embody
to represent in visible form
the artist's intense feelings are substantiated by his paintings' bold colors and broad brush strokes
Synonyms & Similar Words
4
as in to establish
to show the existence or truth of by evidence
substantiate the need for a tuition increase with some concrete figures
Synonyms & Similar Words
Antonyms & Near Antonyms
5
as in to reinforce
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 substantiate
Other claims weren't substantiated by the prosecutor.
—
Quinn Clark, USA Today, 18 Apr. 2026
An independent investigation found that the claims could not be substantiated, and Robb noted four of five current county supervisors are among his many endorsers.
—Sierra Lopez, Mercury News, 15 Apr. 2026
The Contigo team has fielded hundreds of reports of immigration activity, going into neighborhoods and working with residents to piece together whether the reports were substantiated, whether anyone was detained and how to best connect residents with resources.
—Victoria Le, Oc Register, 14 Apr. 2026
In more than a third of the cases, prosecutors quickly dismissed charges that couldn’t be substantiated, refused to file charges at all, or lost at trial.
—A.c. Thompson, ProPublica, 14 Apr. 2026
See All Example Sentences for substantiate
Quinn Clark, USA Today, 18 Apr. 2026
An independent investigation found that the claims could not be substantiated, and Robb noted four of five current county supervisors are among his many endorsers.
—Sierra Lopez, Mercury News, 15 Apr. 2026
The Contigo team has fielded hundreds of reports of immigration activity, going into neighborhoods and working with residents to piece together whether the reports were substantiated, whether anyone was detained and how to best connect residents with resources.
—Victoria Le, Oc Register, 14 Apr. 2026
In more than a third of the cases, prosecutors quickly dismissed charges that couldn’t be substantiated, refused to file charges at all, or lost at trial.
—A.c. Thompson, ProPublica, 14 Apr. 2026
See All Example Sentences for substantiate
Recent Examples of Synonyms for substantiate
Verb
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The Salt Lake County district attorney’s office and the Draper City prosecutor both declined to file charges against Paul in April, citing insufficient evidence to prove allegations beyond a reasonable doubt.—
Senior Television,
Los Angeles Times,
1 May 2026
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Maybe the bright lights of a win-or-go-home playoff game proved too big of a moment for a young, inexperienced Hawks team.—
Kristian Winfield,
New York Daily News,
1 May 2026
Verb
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Human oversight remains part of the workflow through integration with Robotic Security Operations Center, where remote analysts monitor activity, verify alerts, and direct responses when required, ensuring continuous supervision alongside autonomous functions, reports Electrek.—
Jijo Malayil,
Interesting Engineering,
27 Apr. 2026
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These fires have been well documented and verified by emergency responders around the country.—
Chicago Tribune,
Chicago Tribune,
27 Apr. 2026
Verb
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Mohammadi’s place within that landscape is distinct due to her unique kind of legitimacy at a time when many Iranians are searching not only for opposition to the regime, but for a figure who embodies endurance under it.—
Efrat Lachter,
FOXNews.com,
28 Apr. 2026
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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
Verb
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Finally, in overcoming this vexing moment, the two would establish a painterly repartee that altered the trajectory of their own work and, by extension, modern art.—
Susan Tallman,
The New York Review of Books,
25 Apr. 2026
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Through this exhibition program, which shed a light on a generation of LA artists, The Box quickly established itself as a venturesome gallery and one of the most important in the city.—
Maximilíano Durón,
ARTnews.com,
25 Apr. 2026
Verb
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That grip is reinforced by a litany of electronic nannies, all of which translate to an assuring sense of control and eagerness to discover more of the Valhalla’s powerfully balletic nature.—
Viju Mathew,
Robb Report,
25 Apr. 2026
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The measures were reinforced over the past 24 hours on the city’s outskirts with additional forces stationed along key airport access routes.—
ABC News,
ABC News,
25 Apr. 2026
Verb
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Hungarians demonstrated that a moment of divisiveness can be converted into a moment of collective agency.—
Steven P. Dinkin,
San Diego Union-Tribune,
26 Apr. 2026
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In both matches under McFarlane, Chelsea’s players demonstrated decent defensive organisation and good energy in their press in the final third.—
Cerys Jones,
New York Times,
25 Apr. 2026
Verb
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Within minutes, the utility dispatched the nearest crew, which was 26 miles away, to confirm the lines were de-energized.—
Edmund H. Mahony,
Hartford Courant,
29 Apr. 2026
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Set one clear boundary today and confirm expectations so your commitments stay strong and manageable.—
Tarot.com,
The Orlando Sentinel,
29 Apr. 2026
Verb
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Matthew Harris, of Oakland, allegedly confessed in full to the Wells Fargo bank robbery, expressing remorse and blaming his addiction to fentanyl, authorities said.—
Nate Gartrell,
Mercury News,
25 Apr. 2026
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All opinions expressed by the CNBC Pro contributors are solely their opinions and do not reflect the opinions of CNBC, or its parent company or affiliates, and may have been previously disseminated by them on television, radio, internet or another medium.—
Carter Braxton Worth,
CNBC,
24 Apr. 2026
Cite this Entry
“Substantiate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiate. Accessed 1 May. 2026.
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