1
as in hypotheses
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 guesses
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 assumptions
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 suppositions
O'Donnell took further issue with her feeling that Hasselbeck didn't defend her against suppositions that O'Donnell was un-American for her opposition to military advances.
—
Joey Nolfi, Entertainment Weekly, 7 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
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
But that premise assumes two suppositions not in evidence.
—Andre Mouchard, Oc Register, 4 Aug. 2025
Joey Nolfi, Entertainment Weekly, 7 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
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
But that premise assumes two suppositions not in evidence.
—Andre Mouchard, Oc Register, 4 Aug. 2025
Recent Examples of Synonyms for suppositions
Noun
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When anyone with a creative spark can orchestrate a cloud of AI agents to build prototypes, analyze markets, and test hypotheses, the cost of trying something new plummets.—
Erik Brynjolfsson,
Time,
2 Jan. 2026
-
Engineers use agents to test hypotheses.—
Norbert Jung,
Fortune,
17 Dec. 2025
Noun
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But conclusions are guesses, not guides.—
Rosa Lyster,
Harpers Magazine,
6 Jan. 2026
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Those are all good guesses, because who else would carry that amount of cash in a shoebox and wait on a main street to hand it over to a complete stranger?—
Dave Lieber,
Dallas Morning News,
1 Jan. 2026
Noun
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As the video spread, viewers flooded the comments with advice, concern and assumptions about her daily life.—
Ashley Vega,
PEOPLE,
8 Jan. 2026
-
After collaborating with Sotheby’s on a 2024 installation of Impressionism, for which they were tasked with subverting assumptions of the movement, the duo are now conceiving the company’s new restaurant, Marcel, named after the architect.—
Sam Cochran,
Architectural Digest,
8 Jan. 2026
Noun
-
Those are, indeed, pat, credible theories and predictions.—
Théoden Janes,
Charlotte Observer,
8 Jan. 2026
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But now, in the planet’s capital city of Apperax, a murder is committed with no suspects, forensics or theories.—
Aaron Couch,
HollywoodReporter,
8 Jan. 2026
Noun
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For one thing, Kontsevich is known for taking a high-level approach to mathematics, preferring to pose ambitious conjectures and sketch out broad programs, often leaving the subtler details and formal proof-writing to others.—
Joseph Howlett,
Quanta Magazine,
12 Dec. 2025
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With few clear signals about who has influence and how decisions are made, the halls of power in Beijing are fertile ground for political conjectures.—
DENG YUWEN,
Foreign Affairs,
14 Nov. 2025
Noun
-
The police set off to raid the premises.—
Mick Krever,
CNN Money,
6 Nov. 2025
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Ensure your home is securely locked when vacating the premises.—
CA Weather Bot,
Sacbee.com,
5 Nov. 2025
Cite this Entry
“Suppositions.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/suppositions. Accessed 9 Jan. 2026.
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