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The space agency points to evidence from Soviet and non-Soviet sources and historical documents to substantiate its belief that Cosmos 482 was intended to reach Venus.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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Expert testimony by former groundskeepers and others with relevant expertise could prove influential.—
Michael McCann,
Sportico.com,
23 May 2025
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If your goal is to invest in a pair of supportive yet stylish sandals or slides to complement every outfit in your suitcase, then Birkenstock has proven to craft the best shoes for the job.—
Merrell Readman,
Travel + Leisure,
23 May 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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For example, Google has fully embraced zero trust principles across its enterprise, eliminating traditional network perimeters and ensuring that all users—whether on-premises or remote—verify their identity and device integrity before accessing resources.—
Francis Dinha,
Forbes.com,
30 May 2025
Verb
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Either way, the new pope embodies all the complexities of being an American, serving as an authentic ambassador of our history and culture.—
Rebecca R. Bibbs,
Chicago Tribune,
25 May 2025
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In moments that matter, leadership impact hinges on your ability to project clarity, embody authentic presence and forge genuine connection.—
Lynn Smith,
Forbes.com,
23 May 2025
Verb
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On the ground floor there is also a window display dedicated to its signature web motif in green/red/green and in blue/red/blue established in the mid-1950s.—
Luisa Zargani,
Footwear News,
24 May 2025
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Urban Exploration Hartford, the state capital, boasts a growing LGBTQ+ scene centered around Chez Est, a restaurant and cabaret established in 1983 and believed to be the first entertainment venue of its kind in the state’s history.—
Joshua Alston,
USA Today,
24 May 2025
Verb
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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,
25 May 2025
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That reinforces the original (or last) experience the customer had with you.—
Shep Hyken,
Forbes.com,
25 May 2025
Verb
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Netflix’s dark comedy is full of drama, romance and the bonds of sisterhood Comments Sirens demonstrates that wanting more in life while staying true to oneself might be easier said than done.—
Francesca Gariano,
People.com,
24 May 2025
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In November 2024, Russia demonstrated the capabilities of its own hypersonic missile with an attack on the Ukrainian city of Dnipro, going on television shortly afterwards to boast about the weapons capabilities.—
Peter Aitken,
MSNBC Newsweek,
24 May 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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Trump’s affinity for Musk did not extend to the broader Republican party, however, as many GOP lawmakers publicly expressed doubts about the cuts Musk made.—
Sara Dorn,
Forbes.com,
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 3 Jun. 2025.
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