1
as in proves
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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2
as in confirms
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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3
as in embodies
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 establishes
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 reinforces
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
Recent Examples of Synonyms for substantiates
Verb
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Freedom 250 proves controversial Trump held this week's rally on the National Mall under the auspices of Freedom 250.
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Still, the strength of physical stores, from local independents to large chains, proves that convenience and trust still matter to consumers.
Verb
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Ray advises Anna to let the police handle the situation, which confirms him as the most rational character on the show and thus the only threat that Cady seems to recognize.
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The veteran anchor, 65, who hosted the weekend show Alex Witt Reports, is set to leave the channel later this summer, PEOPLE confirms.
Verb
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There’s something about paisley that embodies warmth and timeless charm, two qualities that the South is proudly known for.
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Whether paired with heels for dinner or sandals after a day by the water, the collection embodies the relaxed glamour defining Summer 2026.
Verb
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This establishes a baseline for each user by monitoring heart rate, respiratory rate, blood oxygen levels and other physiological signals during sleep over a seven-day period.
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The City Council’s vote formally establishes the partnership, making Morelia Sacramento’s newest sister city.
Verb
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If the job of a debut album is to introduce an artist to the world, while a sophomore album reinforces their reputation, then a third album offers a channel for artists to expand beyond the familiar tricks and peculiarities that shot them to fame in the first place.
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The study, which primarily reinforces existing knowledge about COVID vaccines, sought to determine how COVID vaccinations impact hospitalizations, emergency room trips and urgent care visits.
Verb
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While generative AI has reignited concerns about AI taking over jobs, Oracle demonstrates one way AI can contribute to job losses beyond direct human replacements.
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Commissioning the spacecraft ahead of schedule and immediately starting orbital maneuvers demonstrates the ability to respond rapidly during a crisis.
Verb
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When a bartender goes missing, Ohm descends into both his own history and that of this Overlook Hotel–esque setting in a film that verifies the suspicion that McCarthy is one of the best genre directors currently working.
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The fault line of the next decade is not who generates knowledge the fastest, but who verifies it.
Verb
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Across all three versions, each execution expresses a different exterior character while remaining unified in its underlying construction.
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Written in a style disarming and gently subversive, Slaughterhouse-Five expresses outrage at war that even now remains in opposition to conventional wisdom.
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Cite this Entry
“Substantiates.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiates. Accessed 29 Jun. 2026.
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