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
In ordinary times, the likes of Dawn would be dismissed as crackpots, but in pandemic limbo, with everyone bored and at a loose end, her weird suppositions start to get traction, sending everyone down internet rabbit holes.
—
Damon Wise, Deadline, 16 May 2025
This supposition might seem fanciful, but let’s fantasize.
—Dylan Matthews, Vox, 7 Dec. 2018
Rather than believing that humankind devised AGI, there will be a supposition that a special or magical force beyond our awareness has opted to confer AI with human-like qualities.
—Lance Eliot, Forbes.com, 21 May 2025
Just go along with the supposition that AGI and ASI are not in the picture.
—Lance Eliot, Forbes.com, 1 May 2025
See All Example Sentences for supposition
Damon Wise, Deadline, 16 May 2025
This supposition might seem fanciful, but let’s fantasize.
—Dylan Matthews, Vox, 7 Dec. 2018
Rather than believing that humankind devised AGI, there will be a supposition that a special or magical force beyond our awareness has opted to confer AI with human-like qualities.
—Lance Eliot, Forbes.com, 21 May 2025
Just go along with the supposition that AGI and ASI are not in the picture.
—Lance Eliot, Forbes.com, 1 May 2025
See All Example Sentences for supposition
Recent Examples of Synonyms for supposition
Noun
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The findings back up a hypothesis that had been put forward by Beasley’s coauthor John Speth, an anthropologist at the University of Michigan, who has for nearly a decade argued that putrid meat and fish would have formed a key part of prehistoric diets.—
Katie Hunt,
CNN Money,
25 July 2025
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Their hypothesis is that a drop in vehicle bug splatter signals a decline in the insect population.—
Adeel Hassan,
New York Times,
23 July 2025
Noun
-
My guess is that flip-flops are now mainstream and considered acceptable.—
Robyn Mowatt,
Essence,
30 July 2025
-
Given Siu's prowess with Asian cuisine, my guess is that each of these traditional dishes will exceed my expectations.—
Keith Pandolfi,
The Enquirer,
30 July 2025
Noun
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The assumption is that the Best Music Festival will provide the best music, but the title mainly means that the festival was put together by Best Video, the landmark video store and cultural center in Hamden.—
Christopher Arnott,
Hartford Courant,
2 Aug. 2025
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The assumption is clear enough: Firms that pay slowly are presumed to be financially weak, and those that pay on time are considered financially strong.—
Charlie Minutella,
Forbes.com,
1 Aug. 2025
Noun
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But Margulis took her theory further; in her view, symbiosis was the driving force of evolution, and many entities were likely composites.—
Zoë Schlanger,
The Atlantic,
23 July 2025
-
Energized by these findings, Harland presented his theory to colleagues.—
Laura Poppick
July 22,
Literary Hub,
22 July 2025
Noun
-
Whether general manager Brian Cashman can staunch the bleeding is a matter of conjecture at this point.—
Barry M. Bloom,
Sportico.com,
30 July 2025
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Supreme Leader Ali Khamenei’s health has long been the subject of conjecture, but the regime has built-in mechanisms for succession.—
Sanam Vakil,
Time,
26 June 2025
Noun
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In an interview with Fortune Intelligence, Turchin said this theory makes sense and fits with his thesis when presented with the similarities.—
Nick Lichtenberg,
Fortune,
26 July 2025
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His thesis was that a network of sensors designed to capture rich and relevant micro-climate data could be used to provide live information that would empower responders to make the best timely decisions during a crisis.—
Dr. Jonathan Reichental,
Forbes.com,
25 July 2025
Noun
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The proposition included $17.8 million for staff pay increases, including raises for special education specialists.—
Keri Heath,
Austin American Statesman,
30 July 2025
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For most organizations, and particularly century-old companies, transformation and change is seldom an easy proposition.—
Randy Bean,
Forbes.com,
27 July 2025
Cite this Entry
“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 6 Aug. 2025.
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