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
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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
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
The governor also asked the agency to substantiate the state’s belief that refineries can function profitably, while also blaming President Trump for the general market instability, Reuters reported.
—
Sharon Udasin, The Hill, 3 May 2025
But their case during the retrial – the first ended with a hung jury – appeared more focused on sowing doubt in jurors’ minds about the quality of the investigation, rather than substantiating the theory of a third-party culprit.
—Dakin Andone, CNN Money, 11 June 2025
Velazquez rose through the ranks despite a slew of allegations against him that were never substantiated.
—Charles Rabin, Miami Herald, 4 June 2025
If violations are substantiated, appropriate enforcement actions will be taken.
—Latoya Gayle, People.com, 30 May 2025
See All Example Sentences for substantiate
Sharon Udasin, The Hill, 3 May 2025
But their case during the retrial – the first ended with a hung jury – appeared more focused on sowing doubt in jurors’ minds about the quality of the investigation, rather than substantiating the theory of a third-party culprit.
—Dakin Andone, CNN Money, 11 June 2025
Velazquez rose through the ranks despite a slew of allegations against him that were never substantiated.
—Charles Rabin, Miami Herald, 4 June 2025
If violations are substantiated, appropriate enforcement actions will be taken.
—Latoya Gayle, People.com, 30 May 2025
See All Example Sentences for substantiate
Recent Examples of Synonyms for substantiate
Verb
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Venter said there was no evidence to prove that covid-19 had been manipulated in a lab, nor was there any indication the virus had been spreading before December 2019 anywhere outside of China.—
Arkansas Online,
Arkansas Online,
28 June 2025
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McVey is also an undefeated prospect who has proven to be a KO artist.—
Brian Mazique,
Forbes.com,
28 June 2025
Verb
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The confusion highlights the difficulty of verifying information on social media.—
Kate Plummer,
MSNBC Newsweek,
24 June 2025
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Developing apparel made from more sustainable materials, setting company-wide climate targets verified by the Science Based Targets initiative (SBTi), and enhancing traceability and social compliance programs are central to this strategy.—
Angela Velasquez,
Sourcing Journal,
24 June 2025
Verb
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For upland bird hunters, witnessing the mesmerizing poetry in motion embodied in the work of great dogs is the main attraction of the pursuit.—
Chris Dorsey,
Forbes.com,
30 June 2025
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Through the launch of Pyrex Vision, Off-White, and his later appointment at Louis Vuitton, Givhan urges readers to engage with the many facets that embodied Virgil, the designer who was also an adept listener, watcher, and one of the most compelling figures to ever exist in the fashion industry.—
Robyn Mowatt,
Essence,
30 June 2025
Verb
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And the state Riley Act, also passed in 1933, required California local governments to establish a building department and inspect new construction.—
Rong-Gong Lin II,
Los Angeles Times,
29 June 2025
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For this historic journey, Kipyegon utilized male pacers to help establish the pace of the race.—
Katelyn Hutchison,
Forbes.com,
29 June 2025
Verb
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The goal isn’t to separate the machine from the workforce, but to build an inclusive system where the two operate together, reinforcing each other’s strengths.—
Priya Vijayarajendran,
Forbes.com,
30 June 2025
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Scaring a black bear can reinforce its natural fear of people and help keep it from lingering in neighborhoods and other areas where conflicts often arise.—
Stephen Underwood,
Hartford Courant,
30 June 2025
Verb
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Others demonstrated against the treatment of migrants.—
Michelle Stoddart,
ABC News,
30 June 2025
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Huge crowds and great joy demonstrated how proud South Florida is of its hockey team.—
Sun Sentinel Editorial Board,
Sun Sentinel,
30 June 2025
Verb
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For a time, Cruz would let women know about misoprostol—how to procure and take it—and support them through the process while the doctor would provide consultations and follow-up care to those who needed it, such as an ultrasound to confirm gestation or monitoring of heavy bleeding.—
Rebecca Grant
June 24,
Literary Hub,
24 June 2025
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This weekend, the woman was confirmed as the man’s partner, 28-year-old Russian national Anastasia Trofimova (who is not the documentarian of the same name), and the child, their 11-month-old daughter Andromeda.—
Melanie Goodfellow,
Deadline,
24 June 2025
Verb
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On a broader scale, legislators have expressed frustration for years about high prices — whether for a new college graduate seeking an affordable apartment or for a young family trying to afford a pricier suburb with good schools like West Hartford or Glastonbury.—
Christopher Keating,
Hartford Courant,
22 June 2025
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Ambassadors from Qatar, Saudi Arabia, the United Arab Emirates and Kuwait on Saturday met with Rafael Grossi, director general of the International Atomic Energy Agency (IAEA), to express concerns about the consequences of a U.S. attack.—
Colin Meyn,
The Hill,
22 June 2025
Cite this Entry
“Substantiate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiate. Accessed 6 Jul. 2025.
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