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
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
One of the big suppositions behind the big data center boom is that the most cutting edge AI models will be at least as large, if not larger, than the leading models that exist today.
—Jeremy Kahn, Fortune, 3 Sep. 2025
That kind of supposition is for amateurs.
—Sherry Kuehl, Kansas City Star, 6 Aug. 2025
She’s bemused by suppositions about the advantages of her family legacy, which in reality boasts a centuries-deep ledger of addiction, estrangement, and untimely death.
—Holden Seidlitz, New Yorker, 5 Aug. 2025
See All Example Sentences for supposition
Nicki Brown, CNN Money, 4 Oct. 2025
One of the big suppositions behind the big data center boom is that the most cutting edge AI models will be at least as large, if not larger, than the leading models that exist today.
—Jeremy Kahn, Fortune, 3 Sep. 2025
That kind of supposition is for amateurs.
—Sherry Kuehl, Kansas City Star, 6 Aug. 2025
She’s bemused by suppositions about the advantages of her family legacy, which in reality boasts a centuries-deep ledger of addiction, estrangement, and untimely death.
—Holden Seidlitz, New Yorker, 5 Aug. 2025
See All Example Sentences for supposition
Recent Examples of Synonyms for supposition
Noun
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Every experiment started with a hypothesis, a clear definition of success, and a plan to measure outcomes quickly.—
Julio Martínez,
Fortune,
13 Feb. 2026
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Boyle’s hypothesis also predicts that dark matter could be explained by a particular kind of neutrino.—
Sarah Scoles,
Scientific American,
10 Feb. 2026
Noun
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But whoever lies rotting in the bathtub is anyone’s guess.—
Aramide Tinubu,
Variety,
18 Feb. 2026
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Traders poured in nearly $2 million taking guesses.—
Bobby Allyn,
NPR,
17 Feb. 2026
Noun
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After an open meeting on Wednesday, Federal Communications Chair Brendan Carr said that networks should operate under the assumption that shows like The View, Jimmy Kimmel Live!—
Winston Cho,
HollywoodReporter,
18 Feb. 2026
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Certainly, Hondo looks pretty reflective and concerned in one of the first look stills as events challenge his legacy and his assumptions about authority, so sense of self.—
John Hopewell,
Variety,
18 Feb. 2026
Noun
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Manuel’s approach to narrative structure draws on literary and philosophical theory.—
Naman Ramachandran,
Variety,
15 Feb. 2026
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And some have theorized that being a carrier for cystic fibrosis can defend against severe cholera, although the evidence for this theory is more scant.—
Roxanne Khamsi,
The Atlantic,
15 Feb. 2026
Noun
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Despite much conjecture, the rapper, 33, opted not to take the stage alongside the Puerto Rican superstar, but she was spotted dancing and vibing during Bad Bunny's halftime show performance inside his famous casita, which has become a show staple since his Puerto Rico residency last year.—
Anna Kaufman,
USA Today,
9 Feb. 2026
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To prove the full conjecture, the mathematicians had to get even better bounds on the sizes of the gradient’s pieces.—
Quanta Magazine,
Quanta Magazine,
6 Feb. 2026
Noun
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In fact, as the year progressed, my thesis had come to seem like a classic office job.—
Literary Hub,
Literary Hub,
13 Feb. 2026
-
Catch up on any investment thesis for stocks that may trade near or below the average cost basis or most recent buy.—
,
CNBC,
13 Feb. 2026
Noun
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This seems like a difficult—if not impossible—proposition for those who live in colder climates or don't have a garden.—
Helena Madden,
Martha Stewart,
15 Feb. 2026
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In addition to featuring intricate lacework, some pieces stand out for being crafted from chiffon and fluid satins, being punctuated by tiny floral embroideries and cascading daisy embellishments or simply for their buttery hues that add to the classic black and white propositions.—
Sandra Salibian,
Footwear News,
13 Feb. 2026
Cite this Entry
“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 21 Feb. 2026.
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