1
as in theory
something taken as being true or factual and used as a starting point for a course of action or reasoning
the widespread assumption that violent entertainment leads to violent behavior in children your argument is faulty because it's based on erroneous assumptions
Synonyms & Similar Words
Relevance
2
as in arrogance
an exaggerated sense of one's importance that shows itself in the making of excessive or unjustified claims
his air of assumption tended to put people off rather quickly
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of assumption
But a sleight of hand is at work; the maybes of one chapter become the assumptions of the next, and at times contrary evidence is entirely ignored.
—
Isaac Butler, The Atlantic, 3 Nov. 2025
And speculative development, or building based on the assumption of future demand, isn’t a gamble developers are willing to make right now, DiSalvo said.
—Jennifer Van Grove, San Diego Union-Tribune, 3 Nov. 2025
That assumption may not be valid—at least, according to the NPS press releases.
—Frederick Dreier, Outside, 31 Oct. 2025
Insurers have to work on the assumption that Congress will not get its act together in time for new insurance terms to kick in before the sign-up deadline.
—Philip Elliott, Time, 30 Oct. 2025
See All Example Sentences for assumption
Isaac Butler, The Atlantic, 3 Nov. 2025
And speculative development, or building based on the assumption of future demand, isn’t a gamble developers are willing to make right now, DiSalvo said.
—Jennifer Van Grove, San Diego Union-Tribune, 3 Nov. 2025
That assumption may not be valid—at least, according to the NPS press releases.
—Frederick Dreier, Outside, 31 Oct. 2025
Insurers have to work on the assumption that Congress will not get its act together in time for new insurance terms to kick in before the sign-up deadline.
—Philip Elliott, Time, 30 Oct. 2025
See All Example Sentences for assumption
Recent Examples of Synonyms for assumption
Noun
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The special explores theories about why the thieves targeted specific displays, who orchestrated this brazen operation and which fatal flaws in their plan ultimately led to their capture.—
Peter White,
Deadline,
5 Nov. 2025
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The showgirl theory also holds in that fashion diapers seem to have taken off almost only among celebrities.—
Julie Beck,
The Atlantic,
5 Nov. 2025
Noun
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In a post dripping with arrogance, Lynch dished out demeaning nicknames for her recent opponents.—
Andrew Ravens,
MSNBC Newsweek,
31 Oct. 2025
-
This propensity for mental acrobatics, alongside his immense arrogance, was how Epstein rationalized his crimes to himself.—
Helen Lewis,
The Atlantic,
25 Oct. 2025
Noun
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The sprawling premise gave Gilligan his first opportunity to film outside of North America, including stops in northern Spain and the Canary Islands.—
Alan Sepinwall,
Rolling Stone,
3 Nov. 2025
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Ensure your home is securely locked when vacating the premises.—
CA Weather Bot,
Sacbee.com,
3 Nov. 2025
Noun
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These are the questions that have plagued the American public since the Euphoria and Anyone But You actor dared to gesture toward a blatant superiority as one of the most notable hot people right now.—
Fran Hoepfner,
Vulture,
4 Nov. 2025
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The pact is aimed at securing an edge over China in the race for tech superiority, Bloomberg noted.—
Ben Smith,
semafor.com,
31 Oct. 2025
Noun
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Additional tests of the hypothesis are likely to follow.—
Ian Randall,
MSNBC Newsweek,
6 Nov. 2025
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This is known as the photoprotection hypothesis.—
Nell Greenfieldboyce,
NPR,
5 Nov. 2025
Noun
-
The conversation seems to have marked a shift in the right’s attitudes about Fuentes.—
Ali Breland,
The Atlantic,
31 Oct. 2025
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Is that indicative of a telling contrast in attitudes?—
Joe Kozlowski,
MSNBC Newsweek,
31 Oct. 2025
Noun
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Therefore, the present work supports the belief that rational materials design at both the macro and atomic levels can solve long-standing challenges, according to a press release.—
Prabhat Ranjan Mishra,
Interesting Engineering,
8 Nov. 2025
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Set on Christmas Eve, this adaptation of Chris Van Allsburg's beloved 1985 children's book follows a young boy whose waning belief in Santa Claus is reinvigorated after hopping on a magical train to the North Pole.—
Randall Colburn,
Entertainment Weekly,
8 Nov. 2025
Noun
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Some feminists saw that as presumption, skipping the long price of admission—slights, salaries, stares.—
James Marcus,
New Yorker,
3 Nov. 2025
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All these tropes — gaydar and girls without it — make for easier narratives, but the presumption that the codes of the heart can be deciphered on the body is one that, outside the world of absurdist comedy — and probably sometimes within it as well — can wound and damage.—
Kelly Foster Lundquist,
PEOPLE,
2 Nov. 2025
Cite this Entry
“Assumption.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assumption. Accessed 9 Nov. 2025.
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