1
as in hypothesis
an idea that is the starting point for making a case or conducting an investigation
my supposition is that this grape variety, which flourishes in southern France, should do equally well here, given the similar climate
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Antonyms & Near Antonyms
2
as in guess
an opinion or judgment based on little or no evidence
it's pure supposition on your part that there's something illegal going on next door
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3
as in assumption
something taken as being true or factual and used as a starting point for a course of action or reasoning
worthless genetic research that was based on the erroneous supposition that acquired characteristics can be passed on to offspring
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Example Sentences
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Recent Examples of supposition
Under California law, fraud must be pled with particularity, meaning there must be specifics and details in the complaint; generalizations, inferences and supposition don’t cut it.
—
Michael McCann, Sportico.com, 16 Jan. 2026
The nature of Tech’s loss only supports the supposition that, without Texas and Oklahoma, the Big 12 is sorely lacking in top-tier talent.
—Kevin Sherrington
jan. 1, Dallas Morning News, 1 Jan. 2026
Both Ripa and Consuelos rejected the supposition, with Ripa admitting that the only evening during which Consuelos looks presentable during the holidays is Christmas Eve.
—Joey Nolfi, Entertainment Weekly, 21 Nov. 2025
Slavik knocked Combs for lining up speaking engagements for as soon as next week with the supposition that he’d be released.
—Nicki Brown, CNN Money, 4 Oct. 2025
See All Example Sentences for supposition
Michael McCann, Sportico.com, 16 Jan. 2026
The nature of Tech’s loss only supports the supposition that, without Texas and Oklahoma, the Big 12 is sorely lacking in top-tier talent.
—Kevin Sherrington
jan. 1, Dallas Morning News, 1 Jan. 2026
Both Ripa and Consuelos rejected the supposition, with Ripa admitting that the only evening during which Consuelos looks presentable during the holidays is Christmas Eve.
—Joey Nolfi, Entertainment Weekly, 21 Nov. 2025
Slavik knocked Combs for lining up speaking engagements for as soon as next week with the supposition that he’d be released.
—Nicki Brown, CNN Money, 4 Oct. 2025
See All Example Sentences for supposition
Recent Examples of Synonyms for supposition
Noun
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To test their hypothesis, researchers transplanted a second heart into mice.—
O. Rose Broderick,
STAT,
24 Apr. 2026
-
Our goal was to better test the hypothesis of an inborn gender difference in attention to, or interest in, other people.—
Lise Eliot,
The Conversation,
20 Apr. 2026
Noun
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In addition, however, many pitched their guesses as to who the governor was referring to, providing a pretty solid lists of potential candidates for coronation.—
Kaitlyn McCormick,
USA Today,
29 Apr. 2026
-
Which company will win the AI race is anybody’s guess.—
Matteo Wong,
The Atlantic,
28 Apr. 2026
Noun
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Over time, this creates a foundation for a feedback loop in which incentive programs can be designed and optimized based on measurable outcomes rather than assumptions.—
Daniel Fusch,
USA Today,
29 Apr. 2026
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The important thing is that infinity is no longer the default assumption.—
Quanta Magazine,
Quanta Magazine,
29 Apr. 2026
Noun
-
Stirs some theories, too, about said coach’s real feelings about the pick.—
Zak Keefer,
New York Times,
27 Apr. 2026
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In a new book, Geoff Kelly traces how the artworks moved through criminal networks, where violence took the lives of key suspects and witnesses, and challenges long-circulating theories by revisiting key details.—
ABC News,
ABC News,
26 Apr. 2026
Noun
-
So, how do Peñarrubia and Nadler know this isn't just some clever mathematical conjecture?—
Paul Sutter,
Space.com,
20 Apr. 2026
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Like an enzyme that works as a catalyst to speed up a chemical reaction, collaboration ignites new ideas for conjectures.—
Chase Hunter,
Mercury News,
19 Apr. 2026
Noun
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But the most rewarding aspect of Apex, which was directed by Baltasar Kormákur and written by Jeremy Robbins, is the degree to which Ben’s thesis holds true for Sasha as well.—
Alison Willmore,
Vulture,
24 Apr. 2026
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Limon had been hard at work on his thesis for the past two years, studying how to use generative AI to monitor shrinking wetland in South Florida, his brother said.—
Isabel Rosales,
CNN Money,
24 Apr. 2026
Noun
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Paul Surguy, head of investment management and proposition at Kingswood Group, said the coming months will inevitably see significant movements up and down.—
Chloe Taylor,
CNBC,
24 Apr. 2026
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That value proposition seems to be resonating.—
James Manso,
Footwear News,
24 Apr. 2026
Cite this Entry
“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 2 May. 2026.
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