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
This approach relies on assumptions about how atoms are arranged in Earth’s core and how silicon, oxygen and hydrogen disperse there, Huang said.
—
Mindy Weisberger, CNN Money, 10 Feb. 2026
In addition to financial targets, the team provided the macroeconomic assumptions underlying this forecast, including mid-single-digit growth in global surgical procedures and mid-single-digit growth in global water intelligence demand, except in China, where the team sees low-single-digit growth.
—Zev Fima, CNBC, 10 Feb. 2026
Where did my assumptions come from?
—Ed Gaskin, Boston Herald, 10 Feb. 2026
An incorrect assumption is the least of what could interfere with a smart decision now.
—Tribune Content Agency, Baltimore Sun, 9 Feb. 2026
See All Example Sentences for assumption
Mindy Weisberger, CNN Money, 10 Feb. 2026
In addition to financial targets, the team provided the macroeconomic assumptions underlying this forecast, including mid-single-digit growth in global surgical procedures and mid-single-digit growth in global water intelligence demand, except in China, where the team sees low-single-digit growth.
—Zev Fima, CNBC, 10 Feb. 2026
Where did my assumptions come from?
—Ed Gaskin, Boston Herald, 10 Feb. 2026
An incorrect assumption is the least of what could interfere with a smart decision now.
—Tribune Content Agency, Baltimore Sun, 9 Feb. 2026
See All Example Sentences for assumption
Recent Examples of Synonyms for assumption
Noun
-
Such theories were met with some skepticism by trade researchers at the time, and not all of the predictions have come true.—
Josh Ederington,
Fortune,
8 Feb. 2026
-
As the search continues with no suspects or persons of interest, posts across Instagram, TikTok, X, Facebook and YouTube have put millions of eyeballs on tips and theories surrounding her disappearance.—
Dallas Morning News,
Dallas Morning News,
7 Feb. 2026
Noun
-
Despite trariffs, military power, dollar dominance and presidential arrogance, isolation, America will triumph.—
Letters to the Editor,
Hartford Courant,
23 Jan. 2026
-
Adriana is immediately aware of his confidence—bordering on arrogance—but also senses potential chemistry in their skating styles.—
Isabella Wandermurem,
Time,
22 Jan. 2026
Noun
-
This threat to our election security, the basic premise of our democracy, is forward looking.—
ABC News,
ABC News,
8 Feb. 2026
-
But a drone had hit one of its salons, shattering a heating pipe and flooding the premises.—
Tim Lister,
CNN Money,
8 Feb. 2026
Noun
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At the same time, Chinese state media reportedly released images emphasizing Beijing’s technological and military superiority, while highlighting its ability to take Taiwan by force if necessary.—
Chris Young,
Interesting Engineering,
9 Feb. 2026
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Unlike the Cold War-era contest between the Soviet Union and the United States, which was driven by governments seeking to demonstrate technological superiority, today's race is increasingly powered by private companies and commercial competition.—
Sharmila Kuthunur,
Space.com,
8 Feb. 2026
Noun
-
If multiple hypotheses do not explain the data equally well, then the one that explains the data more accurately and comprehensively is superior.—
Big Think,
Big Think,
10 Feb. 2026
-
If there are answers to these questions, or informed hypotheses, this biography does not provide them.—
Kathryn Schulz,
New Yorker,
9 Feb. 2026
Noun
-
The experience informed his attitude toward the Oklahoma Insurance Department, with which Coppermark has had a long and litigious relationship.—
J.C. Hallman,
Oklahoman,
10 Feb. 2026
-
That attitude gives Megan relief.—
Lindsay Schnell,
New York Times,
9 Feb. 2026
Noun
-
However, since folklore is integral to Irish culture, these beliefs, customs, and stories are protected under Ireland’s heritage legislation through UNESCO’s Intangible Cultural Heritage Convention (2015).—
Maria Mocerino,
Interesting Engineering,
8 Feb. 2026
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Their releases come as the government of acting President Delcy Rodríguez faces mounting pressure to free hundreds of people whose detentions months or years ago have been linked to their political beliefs.—
Regina Garcia Cano,
Los Angeles Times,
8 Feb. 2026
Noun
-
The maximalism and somewhat uncompromising presumption of a newspaper, with its warren of sections and columns and byways, is a quiet reproach to its audience’s most parochial instincts.—
Becca Rothfeld,
New Yorker,
10 Feb. 2026
-
If it is believed that a person has engaged in criminal behavior, this should be handled in a court of law with the presumption of innocence until proven guilty.—
Reader Commentary,
Baltimore Sun,
9 Feb. 2026
Cite this Entry
“Assumption.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assumption. Accessed 15 Feb. 2026.
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