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
Relevance
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
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
This investigation follows one earlier this year, also conducted by a third-party investigator; that investigation did not substantiate other claims raised against the head coach.
—
Scott M. Reid, Oc Register, 12 Sep. 2025
One allegation of unwanted physical contact was also substantiated.
—Ellise Shafer, Variety, 10 Sep. 2025
One incident of unwelcome physical contact was substantiated, the report found.
—Jake Kanter, Deadline, 10 Sep. 2025
His claims have never been substantiated.
—Brett Tingley, Space.com, 8 Sep. 2025
See All Example Sentences for substantiate
Scott M. Reid, Oc Register, 12 Sep. 2025
One allegation of unwanted physical contact was also substantiated.
—Ellise Shafer, Variety, 10 Sep. 2025
One incident of unwelcome physical contact was substantiated, the report found.
—Jake Kanter, Deadline, 10 Sep. 2025
His claims have never been substantiated.
—Brett Tingley, Space.com, 8 Sep. 2025
See All Example Sentences for substantiate
Recent Examples of Synonyms for substantiate
Verb
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Master classes with Mann and Kogonada drew capacity crowds, while the Actors’ House program featuring Lee Byung-hun, Son Ye-jin, and Ninomiya Kazunari proved particularly popular.—
Naman Ramachandran,
Variety,
27 Sep. 2025
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Could prove revolutionary for photonics This new material could be very useful in things like photonics, where computing and devices that use light (photons) instead of electricity (electrons) are used.—
Christopher McFadden,
Interesting Engineering,
27 Sep. 2025
Verb
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Detectives determined that Holland never stalked Kristil and verified his whereabouts in a different state at the time she was killed.—
Doc Louallen,
ABC News,
26 Sep. 2025
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Mud Jeans has become the first denim brand to achieve the TESTEX Circularity Label, a certification that independently verifies durability, repairability and recyclability in textiles.—
Angela Velasquez,
Sourcing Journal,
25 Sep. 2025
Verb
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Few have embodied that strategy more than Paxton, who has often been described as focusing on culture war issues as attorney general.—
Jeremy Kohler,
ProPublica,
24 Sep. 2025
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Casey’s vision for the future is to scale her impact by teaching, speaking, and writing more broadly—helping practitioners and clients alike embody a functional, authentic approach to psychology.—
Matt Emma,
USA Today,
23 Sep. 2025
Verb
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The grand prize winner’s selection as the closing film marked another break from tradition, with the competition photocall ceremonies at Busan Cinema Center attracting substantial audiences and establishing the new format as a tentpole event.—
Naman Ramachandran,
Variety,
27 Sep. 2025
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In any event, this is an opportunity to establish more structure in your life and consider what truly supports you.—
Valerie Mesa,
PEOPLE,
27 Sep. 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,
22 Sep. 2025
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The simulations closely mirrored the experimental data, which reinforced the conclusion that the team had directly observed multiscale coupling.—
Georgina Jedikovska,
Interesting Engineering,
22 Sep. 2025
Verb
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The test event also demonstrated that the system can detect UAVs even if drones are partially obscured by buildings or clouds.—
Prabhat Ranjan Mishra,
Interesting Engineering,
27 Sep. 2025
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Protesters had rallied for days outside the Texas state capitol, demonstrating against Republican efforts to redraw the state’s congressional map.—
Justin Chang,
New Yorker,
27 Sep. 2025
Verb
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The Federal Bureau of Investigation’s Las Vegas Cyber Task Force identified the suspect, authorities confirmed.—
James Powel,
USA Today,
23 Sep. 2025
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The story was one that confirmed and exposed the beliefs that so many shared from residents and reporters to officers and officials at every level and at every opportunity, those in power close their eyes to the truth because the lie felt familiar.—
Gayla Cawley,
Boston Herald,
23 Sep. 2025
Verb
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The views and opinions expressed in this column are the author’s and do not necessarily reflect those of USA TODAY.—
Dave Parfitt,
USA Today,
23 Sep. 2025
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When the team won the AFC Championships in January 2025, Esposito posted a celebratory TikTok expressing her excitement at attending her boyfriend's third Super Bowl together.—
Rebecca Aizin,
PEOPLE,
22 Sep. 2025
Cite this Entry
“Substantiate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiate. Accessed 30 Sep. 2025.
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