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
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
Besaw had claimed charitable deductions but failed to produce adequate evidence to substantiate them.
—
Matthew F. Erskine, Forbes.com, 9 Sep. 2025
His claims have never been substantiated.
—Brett Tingley, Space.com, 8 Sep. 2025
Hagaman said Moreno’s claims that the Legislature substantiated her complaint against him was untrue.
—Lia Russell, Sacbee.com, 3 Sep. 2025
After the allegations couldn’t be substantiated via an initial probe, further concerns were raised via the internal system and an investigation with external counsel was launched, the person said.
—Emma Burleigh, Fortune, 2 Sep. 2025
See All Example Sentences for substantiate
Matthew F. Erskine, Forbes.com, 9 Sep. 2025
His claims have never been substantiated.
—Brett Tingley, Space.com, 8 Sep. 2025
Hagaman said Moreno’s claims that the Legislature substantiated her complaint against him was untrue.
—Lia Russell, Sacbee.com, 3 Sep. 2025
After the allegations couldn’t be substantiated via an initial probe, further concerns were raised via the internal system and an investigation with external counsel was launched, the person said.
—Emma Burleigh, Fortune, 2 Sep. 2025
See All Example Sentences for substantiate
Recent Examples of Synonyms for substantiate
Verb
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Hawaiian Airlines, meanwhile, proved why it's historically dominated the on-time performance category.—
Christopher Elliott,
Forbes.com,
14 Sep. 2025
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In the end, the Viking landers found no creatures, and biological experiments proved inconclusive.—
David W. Brown,
New Yorker,
13 Sep. 2025
Verb
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However, a law enforcement source later told The New York Times that the findings, from a Bureau of Alcohol, Tobacco, and Firearms report, had not been verified by the agency’s analysts and could have been misinterpreted.—
Zachary Folk,
Forbes.com,
12 Sep. 2025
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If verified, some researchers suggest this respite also could be a glimpse of future hurricane seasons, with the historic early-to-mid-September peak pushed back on the calendar.—
Alex Harris,
Miami Herald,
11 Sep. 2025
Verb
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Mothers and sons embody the full spectrum of human flaws.—
Sam Sussman
September 16,
Literary Hub,
16 Sep. 2025
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Featuring soaring ceilings, open floor plans, and industrial character, lofts embody a mix of history and contemporary features that appeal to a wide range of inhabitants.—
Rebecca Shinners,
Architectural Digest,
16 Sep. 2025
Verb
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But once Houston established both sides of the line of scrimmage again, the rest of the tilt became academic.—
Sean Keeler,
Denver Post,
13 Sep. 2025
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Upon formally changing his name and establishing WM Entertainment, the label soon signed singers Taegoon and Ahn Jin-kyung with the former’s debut album including production from future HYBE founder Bang Si-Hyuk.—
Jeff Benjamin,
Forbes.com,
13 Sep. 2025
Verb
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Instead of predictive policing that reinforces existing biases, envision AI that helps communities understand and address root causes of social problems.—
Cornelia C. Walther,
Forbes.com,
16 Sep. 2025
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That’s not the case with the Margaret Dabbs London Nail Strengthening Treatment, which reinforces flimsy fingernails after just one swipe of its brush.—
Sophia Panych,
Allure,
16 Sep. 2025
Verb
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The exhibit showcases promotional materials that demonstrate the film’s global impact.—
R. Daniel Foster,
Forbes.com,
13 Sep. 2025
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Equally notable, the system moved seamlessly from low- to high-energy states on its own, demonstrating that its automatic adjustment isn’t just theory but a working feature.—
Bojan Stojkovski,
Interesting Engineering,
13 Sep. 2025
Verb
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Senate Republicans typically confirm nominees based on the White House’s priority levels.—
Ramsey Touchberry,
The Washington Examiner,
16 Sep. 2025
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Researchers from the Center for Whale Research, SeaDoc Society and San Diego Zoo Wildlife Alliance confirmed the female calf was deceased, with its umbilical cord still attached when spotted in Rosario Strait near the San Juan Islands.—
Adeola Adeosun,
MSNBC Newsweek,
16 Sep. 2025
Verb
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But since that meeting, during which allies expressed optimism of a path forward on security guarantees, no progress has materialized.—
Michelle Stoddart,
ABC News,
16 Sep. 2025
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The vote to approve Miran’s nomination passed 48-47, along party lines, with Democrats expressing concern about the appointment impacting the central bank’s independence.—
Siladitya Ray,
Forbes.com,
16 Sep. 2025
Cite this Entry
“Substantiate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiate. Accessed 19 Sep. 2025.
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