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
Synonyms & Similar Words
Relevance
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
Synonyms & Similar Words
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
-
The people who bombed the interviews were the ones who developed a hypothesis and held it to the last breath because developing strategy is inherently fuzzy at first.—
Lynn Comp,
Forbes.com,
18 May 2026
-
Among the most important undecidable statements is the continuum hypothesis (CH), proved to be undecidable in the Gödelian sense by Paul Cohen in 1963.—
Quanta Magazine,
Quanta Magazine,
18 May 2026
Noun
-
My guess is, right now, the Taiwanese do not look at them; the Japanese do not look at them.—
David Frum,
The Atlantic,
20 May 2026
-
Use these clues to narrow down your guesses.—
Erik Kain,
Forbes.com,
19 May 2026
Noun
-
The Maldives Coast Guard began an over and underwater search for the four remaining divers, but once Benedetti’s body was found, the authorities began working under the assumption that the four remaining divers were inside the cave.—
Lex Harvey,
CNN Money,
20 May 2026
-
But that assumption can present risks to employers.—
William Phillips,
Forbes.com,
20 May 2026
Noun
-
The exact reason why is debated by scientists, but theories include a huge collision in early Martian history, or unstable mantle plumes.—
Tom Brown,
Space.com,
25 May 2026
-
Because orbital data centers, in theory, require huge amounts of infrastructure like giant solar arrays, to be launched into space, the V3’s upgraded carrying capacity is essential.—
Marco Quiroz-Gutierrez,
Fortune,
24 May 2026
Noun
-
Specifically, OpenAI said in an announcement published on its website that its models disproved a central conjecture in an area of discrete geometry tied to Paul Erdős’s planar unit distance problem, a famously stubborn question first posed in 1946.—
Ron Schmelzer,
Forbes.com,
22 May 2026
-
The recent exit of Karren Brady after 16 years as West Ham’s vice chair has invited conjecture over the club’s long-term ownership plans but, for now, an increasingly unpopular regime led by Sullivan has shown little indication that another era will come to an end with relegation.—
Philip Buckingham,
New York Times,
21 May 2026
Noun
-
That thesis is plausible, but the shift has not yet happened at scale.—
Paulo Carvão,
Forbes.com,
21 May 2026
-
All the more curious then that the majority of students referenced war zones or used their senior theses to protest governmental suppression.—
Ari Stark,
Footwear News,
19 May 2026
Noun
-
Within more humorous approaches like Ikezoe’s lies a powerful if subtle proposition.—
Emily Watlington,
ARTnews.com,
24 May 2026
-
But a more even distribution of visitors is at least a different proposition from concentrating demand into the hottest, busiest months.—
David Nikel,
Forbes.com,
23 May 2026
Cite this Entry
“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 26 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
