as in supporting
serving to give support to the truth or factualness of something
without some substantiating evidence, such as a stub from a bus ticket, who's going to believe your alibi?
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
1
as in proving
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
Antonyms & Near Antonyms
2
as in verifying
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 embodying
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 establishing
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 reinforcing
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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of substantiating
Tricia Escobedo, CNN Money, 26 Jan. 2026
Verb
Federal officials have declined to provide critical details substantiating their claim that an agent shot ICU nurse Alex Pretti in self-defense.
—Tricia Escobedo, CNN Money, 26 Jan. 2026
Recent Examples of Synonyms for substantiating
Adjective
-
Some went after Cashman, some after Boone, some after Steinbrenner’s son Hal, and some after Aaron Judge’s non-supporting cast.—
Ian O'Connor,
New York Times,
10 Oct. 2025
-
Sure, that was exacerbated, and to some degree directly caused, by the ample non-supporting cast around him, especially on the offensive line.—
Vahe Gregorian,
Kansas City Star,
11 Sep. 2025
Verb
-
Across the country, educators, cultural institutions and civic organizations are proving that high-quality civic education engages young people, strengthens democratic skills and builds durable civic habits.—
Erin Carlson Mast,
Chicago Tribune,
16 Feb. 2026
-
These micro, honor-system bakeries are popping up everywhere, proving that Southern hospitality—and trust—is alive and well.—
Nicole Letts,
Southern Living,
16 Feb. 2026
Verb
-
Any internet user can play the role of researcher, with people submitting examples of infringement and LightBar’s small team of moderators verifying entries.—
Jake Kanter,
Deadline,
11 Feb. 2026
-
Even if Iran agreed on a limit to its ballistic missile capabilities, verifying its compliance would present an additional set of challenges, Lamson said.—
Cybele Mayes-Osterman,
USA Today,
10 Feb. 2026
Verb
-
Elordi understood the challenge of embodying such an iconic character, who has existed both on the page and on the screen for generations.—
Emily Zemler,
Los Angeles Times,
11 Feb. 2026
-
Few games have ever captured physical movement this well, and though different Mario games have played with the finer physics of his run and the height of his jump, every one of them makes embodying him feel natural and fun.—
Literary Hub,
Literary Hub,
11 Feb. 2026
Verb
-
Attorney General Ken Paxton issued an opinion on Thursday establishing limits on when an outside investigation must take place following a Texas jail inmate’s death.—
Matthew Adams,
Fort Worth Star-Telegram,
13 Feb. 2026
-
Trump signed an executive order in December to push for a single regulatory framework for AI, establishing a litigation task force to challenge state AI laws, namely those led by Democratic lawmakers.—
Ashley Capoot,
CNBC,
13 Feb. 2026
Verb
-
At the same time, Brooklyn posted the league’s best defensive rating in December while he was sidelined, reinforcing a direction that emphasized versatility, ball movement and defensive consistency.—
C.J. Holmes,
New York Daily News,
5 Feb. 2026
-
Another option patients may pursue is to slowly taper off the drugs over about three to six months and to focus on reinforcing lifestyle choices that support goals for overall health and weight maintenance.—
Amy J. Sheer,
The Conversation,
5 Feb. 2026
Verb
-
Several Indonesian originals placed among the quarter’s top-performing titles, led predominantly by Vidio’s content lineup, demonstrating how homegrown productions are becoming commercially viable drivers of subscriber acquisition and retention.—
Naman Ramachandran,
Variety,
11 Feb. 2026
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Their endurance has been proven in flight testing, demonstrating high subsonic speeds – 200+ nautical mile range at low altitudes and 60+ minutes duration.—
Prabhat Ranjan Mishra,
Interesting Engineering,
11 Feb. 2026
Verb
-
The agency released a statement confirming the purchase but failed to disclose the site location.—
Julianna Duennes Russ,
Austin American Statesman,
5 Feb. 2026
-
Those fears, coupled with the manager airing his frustrations publicly and confirming his intention to leave when his contract expires in the summer, played a significant part in driving their approach to the mid-season market.—
Matt Woosnam,
New York Times,
4 Feb. 2026
Cite this Entry
“Substantiating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiating. Accessed 19 Feb. 2026.
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