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
-
There are three primary hypotheses for how birds might sense Earth’s geomagnetic field.—
ArsTechnica,
ArsTechnica,
28 May 2026
-
If more evidence shows GLP-1 drugs are found to reduce the chance of cancer progressing, the researchers also want to figure out why and have many possible hypotheses at the moment, including the drug changing the immune system, acting directly on tumor cells and reducing inflammation.—
Victoria Forster,
Forbes.com,
25 May 2026
Noun
-
In turn, entering large numbers of guesses requires a tremendous amount of time and computing resources, even when the cracking is performed using GPUs or special-purpose hardware.—
Ashley Belanger,
ArsTechnica,
4 June 2026
-
Use these clues to narrow down your guesses.—
Erik Kain,
Forbes.com,
1 June 2026
Noun
-
The trustees note in the report a handful of changing conditions such as fertility rates, immigration, economic conditions and legislation passed since last year have changed the assumptions on which the report is based.—
Mason Leib,
ABC News,
11 June 2026
-
Too often, firms skip this and rely on assumptions.—
Matthew Nigro,
Forbes.com,
11 June 2026
Noun
-
The theories about what could have happened to Nancy Guthrie, Savannah Guthrie’s mom, are varied.—
Lizzie Lanuza,
StyleCaster,
7 June 2026
-
But then again, everyone has theories about Stonehenge.—
Maria Mocerino,
Interesting Engineering,
6 June 2026
Noun
-
There have been a lot of conjectures, but little in the way of actual proof of what took place.—
Lizzie Lanuza,
StyleCaster,
25 May 2026
-
As part of the effort to prove these conjectures, Grothendieck proposed his notion of a scheme.—
Konstantin Kakaes,
Quanta Magazine,
20 May 2026
Noun
-
On occasion, artists represent dogs gently breaking out of the comforting premises of good order.—
Literary Hub,
Literary Hub,
10 June 2026
-
That’s not to say, however, that there’s not a touch of Hollywood-style glamor on the premises.—
Katie Schultz,
Architectural Digest,
9 June 2026
Cite this Entry
“Suppositions.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/suppositions. Accessed 14 Jun. 2026.
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