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
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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
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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
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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
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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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Example Sentences
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Recent Examples of substantiate
The space agency points to evidence from Soviet and non-Soviet sources and historical documents to substantiate its belief that Cosmos 482 was intended to reach Venus.
—
James Powel, USA Today, 7 May 2025
In 2013, then-correspondent Lara Logan took a leave of absence from the show after a flawed report on Benghazi was found to have failed to substantiate some of the assertions of one of its key sources.
—Brian Steinberg, Variety, 22 Apr. 2025
If the allegations are substantiated, he will be fired, officials said.
—Devoun Cetoute, Miami Herald, 18 Mar. 2025
Attorney General Pam Bondi argues that Abrego Garcia is part of the MS-13 gang — a claim his family denies and has yet to be substantiated by the courts.
—Cate Martel, The Hill, 15 Apr. 2025
See All Example Sentences for substantiate
James Powel, USA Today, 7 May 2025
In 2013, then-correspondent Lara Logan took a leave of absence from the show after a flawed report on Benghazi was found to have failed to substantiate some of the assertions of one of its key sources.
—Brian Steinberg, Variety, 22 Apr. 2025
If the allegations are substantiated, he will be fired, officials said.
—Devoun Cetoute, Miami Herald, 18 Mar. 2025
Attorney General Pam Bondi argues that Abrego Garcia is part of the MS-13 gang — a claim his family denies and has yet to be substantiated by the courts.
—Cate Martel, The Hill, 15 Apr. 2025
See All Example Sentences for substantiate
Recent Examples of Synonyms for substantiate
Verb
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The Democratic Governors Association, which works to elect Democratic governors across the country and protect incumbents, argued in a statement that Hochul has been continually underestimated and proven doubters wrong.—
Jared Gans,
The Hill,
4 June 2025
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Trump’s advisers remain animated by the unyielding belief that the economic experts were proven wrong in Trump’s first term.—
Phil Mattingly,
CNN Money,
4 June 2025
Verb
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Who verified the authenticity of such serious accusations?—
Letters to the Editor,
The Orlando Sentinel,
31 May 2025
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In the Notify field, verify that your email address is correct.—
Kurt Knutsson,
FOXNews.com,
30 May 2025
Verb
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Lindbergh, the tall, fresh-faced Midwesterner, embodied a new American archetype: the Lone Eagle.—
David Rooney
June 5,
Literary Hub,
5 June 2025
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In curating the show, Moore sought to elevate artists whose work embodies this tension while also offering something tender, vulnerable, and defiant.—
Okla Jones,
Essence,
5 June 2025
Verb
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In spite of his ability to carry the ball forward — a point of difference from his fellow midfielders — Willock has never quite established himself as integral, at least in part because of his struggles with injury.—
Chris Waugh,
New York Times,
6 June 2025
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The science transparency rule in the first Trump administration was intended to limit the EPA’s ability to consider epidemiologic studies like those that established the health harms from exposure to secondhand smoke and to PM2.5, fine particles often from pollution.—
H. Christopher Frey,
The Conversation,
5 June 2025
Verb
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The company’s shares have risen more than 7% this week as Meta’s deal to buy nuclear power from Constellation Energy has reinforced the view that demand is increasing as the tech sector hunts for electricity for its data centers.—
Spencer Kimball,
CNBC,
6 June 2025
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As the fireline is constructed, inspected or reinforced, mappers record those details to adjust the containment percentage.—
CA WILDFIRE BOT,
Sacbee.com,
6 June 2025
Verb
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Not least the fact that clubs other than City will be monitoring Gibbs-White’s position, with the 26-year-old England international having demonstrated his value emphatically again during a season in which Forest pushed for a top-five finish for many months.—
Paul Taylor,
New York Times,
6 June 2025
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Other journalists had excoriated McCarthy earlier, in print and on the radio, but Murrow met the medium and the moment in 1954, demonstrating the senator’s smear tactics and stirring a severe public backlash.—
Brian Stelter,
CNN Money,
6 June 2025
Verb
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Enter your full name, email address, date of birth and other info to confirm your identity.—
Tyler Everett,
MSNBC Newsweek,
31 May 2025
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Lily Wang, a product manager for the brand, confirmed that the home can also include solar panels and a rainwater harvesting system.—
Rylee Johnston,
Travel + Leisure,
31 May 2025
Verb
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Swiss President Karin Keller-Sutter expressed her solidarity with the local population as emergency services warned people the area was hazardous and urged them to stay away, closing off the main road into the valley.—
Reuters,
CNN Money,
29 May 2025
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However, a number of European leaders have expressed concerns over the Israel’s actions in Gaza in recent days.—
Melanie Goodfellow,
Deadline,
29 May 2025
Cite this Entry
“Substantiate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiate. Accessed 10 Jun. 2025.
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