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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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
The great flaw in that theory is the supposition of logic in humans.
—
Yeo Boon Ping, CNBC, 11 July 2025
That's a double-digit decline compared to the same three months of last year—itself no peach of a quarter for a car company with a stratospheric valuation based on the supposition of eternal sales growth.
—ArsTechnica, 2 July 2025
In Beth Is Dead, a new YA thriller out Jan. 6, that's exactly the supposition at the heart of this reimagining of Louisa May Alcott's literary classic.
—Maureen Lee Lenker, EW.com, 11 June 2025
That’s a supposition supported, if not proven, by increases in U.S. imports from Vietnam, Taiwan, Japan and other countries corresponding to declines in specific commodities from China.
—Ken Roberts, Forbes.com, 4 June 2025
See All Example Sentences for supposition
Yeo Boon Ping, CNBC, 11 July 2025
That's a double-digit decline compared to the same three months of last year—itself no peach of a quarter for a car company with a stratospheric valuation based on the supposition of eternal sales growth.
—ArsTechnica, 2 July 2025
In Beth Is Dead, a new YA thriller out Jan. 6, that's exactly the supposition at the heart of this reimagining of Louisa May Alcott's literary classic.
—Maureen Lee Lenker, EW.com, 11 June 2025
That’s a supposition supported, if not proven, by increases in U.S. imports from Vietnam, Taiwan, Japan and other countries corresponding to declines in specific commodities from China.
—Ken Roberts, Forbes.com, 4 June 2025
See All Example Sentences for supposition
Recent Examples of Synonyms for supposition
Noun
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On the other hand, if the AI scaling hypothesis hits unexpected walls, the unwinding could be a second ‘dot com bust’ or worse.—
Billy Perrigo,
Time,
30 Sep. 2025
-
Martínez believes Taposiris Magna is a key location in relation to Cleopatra’s burial, although many archaeologists disagree with her hypothesis.—
Ashley Strickland,
CNN Money,
26 Sep. 2025
Noun
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Don’t rely on ballpark guesses in place of a real CMA.—
Mary Beth Eastman,
USA Today,
25 Sep. 2025
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Whether that earlier fund is directly involved in the Collegiate Investment Initiative—and, if so, to what extent—remains anyone’s guess.—
Eben Novy-Williams,
Sportico.com,
25 Sep. 2025
Noun
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Her existence in the vibrant capital city of Sepphoris brings into questions some of our traditional assumptions of Mary as an impoverished illiterate from a backwater rural village with no exposure to Greco-Roman culture.—
Literary Hub,
Literary Hub,
30 Sep. 2025
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To interrogate our own assumptions, to stay open when experience, dialogue, or suffering presses against us — that is philosophy at its deepest.—
Shai Tubali,
Big Think,
30 Sep. 2025
Noun
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The season drew heavy criticism for its glacial pace and incoherent plotting, generating more Reddit theories than actual scares and leaving viewers more haunted by what could have been.—
James Mercadante,
Entertainment Weekly,
1 Oct. 2025
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Combining investigative journalism, DNA analysis and cinematic dramatization, the docuseries examines four competing theories about Columbus’ origins and the mystery around the titles bestowed on him by the Catholic Monarchs.—
Emiliano De Pablos,
Variety,
1 Oct. 2025
Noun
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People have seen slivers in movies like Paid in Full and read conjecture online, but beneath the surface is an entire world that hasn’t been seen before.—
Ryan Gajewski,
HollywoodReporter,
25 Sep. 2025
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If the additivity conjecture is to be believed, then the original knot’s unknotting number should be 5, and this new knot’s should be 4.—
Leila Sloman,
Quanta Magazine,
22 Sep. 2025
Noun
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At the top of the next hour, the Rose Theater went dim and the thesis turned kinetic.—
Skylar Mitchell,
Essence,
29 Sep. 2025
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Con 2025 event, RBC Capital analyst Matthew Hedberg reiterated a buy rating on CrowdStrike with a 12-month price target of $510, saying the commentary from management, partners and customers reinforced his bullish long-term thesis.—
TipRanks.com Staff,
CNBC,
28 Sep. 2025
Noun
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That breakthrough arrangement made both some of the hottest propositions in Latin America’s cable market while also firing up subs for SVOD operator Netflix.—
John Hopewell,
Variety,
30 Sep. 2025
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There was an opportunity to find the right treatment from the beginning, which not only makes a huge difference for the patient but is a huge economic value proposition.—
Alice Park,
Time,
30 Sep. 2025
Cite this Entry
“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 2 Oct. 2025.
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