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The space agency points to evidence from Soviet and non-Soviet sources and historical documents to substantiate its belief that Cosmos 482 was intended to reach Venus.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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If the family is traveling, requiring reading can prove to be beneficial.—
Jerald McNair,
Chicago Tribune,
16 June 2025
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These shelters prove crucial to protect Israelis when warning sirens go off – providing the public with safe and fortified locations to hide from incoming rockets.—
Zeena Saifi,
CNN Money,
16 June 2025
Verb
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Another measure requires state agencies — including the departments of Health, Education, Corrections, Children & Family Services and Motor Vehicles — to verify, track and report anyone illegally in the U.S. who is receiving state services.—
Sara Cline,
Los Angeles Times,
12 June 2025
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Consistent, accurate contact information helps both users and search engines verify your firm's legitimacy.—
Anton Kovalchuk,
Forbes.com,
12 June 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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Of course, none of that would matter if the team had not demonstrated strong fan support and signed up those 10,000 season-ticket holders, which is around the same number the Warriors have in the same arena—albeit at a lower price.—
Matt Craig,
Forbes.com,
6 June 2025
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Marine Group officials wanted to demonstrate that converting similarly sized tugs from diesel to electric can be replicated by other companies, such as excursion boats and dinner cruises.—
Rob Nikolewski,
San Diego Union-Tribune,
6 June 2025
Verb
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Separately, a Downtown Fort Worth spokesperson confirmed this with the Star-Telegram and said there are no planned street closures around the event site.—
Brayden Garcia,
Fort Worth Star-Telegram,
13 June 2025
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Okay, now that that’s out of the way— Dua Lipa finally confirms her engagement to Callum Turner to British Vogue, after several months of rumors.—
Alejandra Gularte,
Vulture,
13 June 2025
Verb
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The Senate holds a slim majority, and at least four Senators, including Paul, have publicly expressed concerns over parts of the bill (the others are Ron Johnson, Susan Collins, and Lisa Murkowski).—
Kelly Phillips Erb,
Forbes.com,
10 June 2025
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And all three other members express regret about George’s indecision costing the group a spot in the lineup for the historic marathon Live Aid concert at London’s Wembley Stadium.—
David Rooney,
HollywoodReporter,
9 June 2025
Cite this Entry
“Substantiate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiate. Accessed 20 Jun. 2025.
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