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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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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Recent Examples of suppositions
The past eight months have exposed both suppositions.
—
Liam Twomey, New York Times, 11 Mar. 2026
As Jackie herself once reminded John, a Kennedy has no choice but to accept that the press and public will speculate, interpret, exaggerate, and invent notions about them based on their own suppositions.
—Rafaela Bassili, Vulture, 27 Feb. 2026
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
Liam Twomey, New York Times, 11 Mar. 2026
As Jackie herself once reminded John, a Kennedy has no choice but to accept that the press and public will speculate, interpret, exaggerate, and invent notions about them based on their own suppositions.
—Rafaela Bassili, Vulture, 27 Feb. 2026
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
Recent Examples of Synonyms for suppositions
Noun
-
What is emerging is a picture of an artist of profound mathematical acuity, who mobilized geometric, sequential, and modular forms to test hypotheses on interrelation, regeneration, and evolution in pursuit of mystical revelation.—
Katherine Rochester,
Artforum,
1 Apr. 2026
-
His method of intellectual humility is to admit ignorance, test variables and revise working hypotheses based on new data, staying open to suggestions from others the whole time.—
Deana L. Weibel,
The Conversation,
31 Mar. 2026
Noun
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But whether that happens is anyone’s guess — or to be more specific, tens of thousands of guesses.—
Bernard Condon,
Fortune,
23 Apr. 2026
-
Recent deals in the shaky apartment market for Oakland might help shove property values lower in the coming weeks as the Alameda County Assessor’s Office finalizes its latest guesses for property values in its jurisdiction.—
George Avalos,
Mercury News,
13 Apr. 2026
Noun
-
Kansas City officials project 650,000 visitors for the 2026 World Cup, but experts and fine print raise questions about the assumptions behind that number.—
David Hudnall,
Kansas City Star,
30 Apr. 2026
-
Spirit based its turnaround plan on lower fuel costs, but a surge in fuel prices tied to the Iran war upended those assumptions.—
Rena Rowe,
The Washington Examiner,
30 Apr. 2026
Noun
-
Stirs some theories, too, about said coach’s real feelings about the pick.—
Zak Keefer,
New York Times,
27 Apr. 2026
-
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
-
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
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The project grew out of group head Ido Kaminer’s 2019 Ramanujan Machine, an AI bot that seeks out new conjectures for calculating mathematical constants.—
Lyndie Chiou,
Scientific American,
13 Mar. 2026
Noun
-
Ensure your home is securely locked when vacating the premises.—
STAR-TELEGRAM WEATHER BOT,
Fort Worth Star-Telegram,
28 Apr. 2026
-
Ensure your home is securely locked when vacating the premises.—
KANSAS CITY STAR WEATHER BOT,
Kansas City Star,
27 Apr. 2026
Cite this Entry
“Suppositions.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/suppositions. Accessed 3 May. 2026.
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