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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Recent Examples of suppositions
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
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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But, of course, everything is constantly changing and evolving; therefore, especially within the ever-expanding domain of wealth management, the best advisors will always be open to testing former hypotheses and determining whether newer ideas will better serve their clients.—
Tim Maurer,
Forbes.com,
31 Aug. 2025
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Initial hypotheses suggested those become more elaborate over time in response to the growing threat of Cretaceous predators.—
ArsTechnica,
ArsTechnica,
28 Aug. 2025
Noun
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Use these clues to narrow down your guesses.—
Erik Kain,
Forbes.com,
8 Sep. 2025
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Others ventured guesses as to where the wedding would take place.—
Madeline King,
Kansas City Star,
26 Aug. 2025
Noun
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Other works create entirely new worlds with different assumptions and frameworks underpinning their social and other dynamics.—
The Editors,
JSTOR Daily,
10 Sep. 2025
-
For centuries, businesses, governments and societies have relied on deterministic assumptions.—
Richie Etwaru,
Forbes.com,
10 Sep. 2025
Noun
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Mid-century collective behavior theories considered social movements to be nonrational, spontaneous events occurring during moments of social and cultural breakdown.—
The Editors,
JSTOR Daily,
10 Sep. 2025
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Testing particle physics theories, the $8 billion LHC was composed of superconducting magnets that allowed scientists to study subatomic particles including protons, electrons, quarks and photons.—
Lorenzino Estrada,
AZCentral.com,
10 Sep. 2025
Noun
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There’s humor, insight, and a ton of catchy and inventive premises here.—
James Folta,
Literary Hub,
10 Sep. 2025
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These failures occurred when the AI models confabulated successful operations and built subsequent actions on false premises, highlighting the risks of depending on AI assistants that can misinterpret file structures or fabricate data to hide their errors.—
ArsTechnica,
ArsTechnica,
10 Sep. 2025
Cite this Entry
“Suppositions.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/suppositions. Accessed 13 Sep. 2025.
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