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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Antonyms & Near Antonyms
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
Synonyms & Similar Words
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
Under California law, fraud must be pled with particularity, meaning there must be specifics and details in the complaint; generalizations, inferences and supposition don’t cut it.
—
Michael McCann, Sportico.com, 16 Jan. 2026
The nature of Tech’s loss only supports the supposition that, without Texas and Oklahoma, the Big 12 is sorely lacking in top-tier talent.
—Kevin Sherrington
jan. 1, Dallas Morning News, 1 Jan. 2026
Both Ripa and Consuelos rejected the supposition, with Ripa admitting that the only evening during which Consuelos looks presentable during the holidays is Christmas Eve.
—Joey Nolfi, Entertainment Weekly, 21 Nov. 2025
Slavik knocked Combs for lining up speaking engagements for as soon as next week with the supposition that he’d be released.
—Nicki Brown, CNN Money, 4 Oct. 2025
See All Example Sentences for supposition
Michael McCann, Sportico.com, 16 Jan. 2026
The nature of Tech’s loss only supports the supposition that, without Texas and Oklahoma, the Big 12 is sorely lacking in top-tier talent.
—Kevin Sherrington
jan. 1, Dallas Morning News, 1 Jan. 2026
Both Ripa and Consuelos rejected the supposition, with Ripa admitting that the only evening during which Consuelos looks presentable during the holidays is Christmas Eve.
—Joey Nolfi, Entertainment Weekly, 21 Nov. 2025
Slavik knocked Combs for lining up speaking engagements for as soon as next week with the supposition that he’d be released.
—Nicki Brown, CNN Money, 4 Oct. 2025
See All Example Sentences for supposition
Recent Examples of Synonyms for supposition
Noun
-
One leading hypothesis suggests the polar ice was delivered during a relatively recent impact by a water-rich comet or asteroid — possibly in scale and age to the one that carved Hokusai crater, a prominent 60-mile-wide (97-kilometer-wide) crater in Mercury's northern hemisphere.—
Sharmila Kuthunur,
Space.com,
28 May 2026
-
There are three primary hypotheses for how birds might sense Earth’s geomagnetic field.—
ArsTechnica,
ArsTechnica,
28 May 2026
Noun
-
While the resources needed to bombard Dashlane servers with that volume of guesses in such a short period of time are possible, they’re not commonly found in usual brute-force attacks.—
ArsTechnica,
ArsTechnica,
3 June 2026
-
Probably 40-something would be my guess.—
Justice delos Santos,
Mercury News,
2 June 2026
Noun
-
The first is the buy-back clause Real Madrid insisted upon when Paz was sold to Como; the assumption is that it will eventually be activated.—
Sebastian Stafford-Bloor,
New York Times,
3 June 2026
-
Pla2na/Getty Images Many Americans spend decades building a retirement plan around the simple assumption that their monthly Social Security benefits will provide a reliable source of income no matter what happens with their finances or the economy.—
Angelica Leicht,
CBS News,
3 June 2026
Noun
-
Even a middle school student would perceive a stark difference between someone who voices a bogus theory and someone who acts on it.—
DP Opinion,
Denver Post,
31 May 2026
-
In theory, that should be a straightforward fix.—
Mac Cerullo,
Boston Herald,
31 May 2026
Noun
-
For now, however, that’s all conjecture.—
Gary Phillips,
New York Daily News,
26 May 2026
-
Finding a single counterexample can be powerful and destroy an entire conjecture, but the lack of finding a counterexample doesn’t prove that the conjecture must be right.—
Lance Eliot,
Forbes.com,
26 May 2026
Noun
-
That investment thesis depends on proximity.—
Nick Lichtenberg,
Fortune,
29 May 2026
-
My thesis this week for a bearish-to-bullish reversal rested on the idea that ZS had been unfairly punished and that the 50-day moving average was turning positive.—
Michael Khouw,
CNBC,
28 May 2026
Noun
-
But that is a different proposition, a different game from finding and betting on the outliers that define entire generations of innovation.—
Anna Demeo,
Forbes.com,
31 May 2026
-
Given that Coast Walk doesn’t provide drivers access to the central Village, many try to back out onto Torrey Pines Road — a potentially dangerous proposition considering the speed and volume of traffic there.—
Noah Lyons,
San Diego Union-Tribune,
30 May 2026
Cite this Entry
“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 6 Jun. 2026.
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