as in theories
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
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 assumptions
That runs counter to decades of assumptions about Chondrichthyan fishes, the group that includes sharks, rays, skates and chimaeras.
—
Melissa Cristina Márquez, Forbes.com, 29 Jan. 2026
The community response is not only defending people, but also providing a powerful counter-narrative that is proving MAGA’s assumptions about America wrong.
—James Folta, Literary Hub, 29 Jan. 2026
The report calls into question assumptions in many circles, including in the White House, that a Russian victory in Ukraine is inevitable and incoming.
—Brad Lendon, CNN Money, 28 Jan. 2026
Data from such a setup could be used to refine simulations, reduce uncertainties in fission yield databases, and test assumptions used in weapons physics models.
—Neetika Walter, Interesting Engineering, 28 Jan. 2026
In addition, the Doemel ruling also relied on assumptions about other state’s laws that no longer hold, as some states now allow public walking along Great Lakes shorelines.
—Caitlin Looby, jsonline.com, 28 Jan. 2026
Get ready to challenge old assumptions!
—Tarot.com, Sun Sentinel, 22 Jan. 2026
The study also challenges long-standing assumptions about how quickly hydrothermal iron can reach the ocean surface.
—New Atlas, 22 Jan. 2026
Leaders are now compelled to reassess their foundational assumptions, as geopolitical risk increasingly impacts economic stability, regulatory environments, and market access.
—Bryce Hoffman, Forbes, 23 Mar. 2025
Melissa Cristina Márquez, Forbes.com, 29 Jan. 2026
The community response is not only defending people, but also providing a powerful counter-narrative that is proving MAGA’s assumptions about America wrong.
—James Folta, Literary Hub, 29 Jan. 2026
The report calls into question assumptions in many circles, including in the White House, that a Russian victory in Ukraine is inevitable and incoming.
—Brad Lendon, CNN Money, 28 Jan. 2026
Data from such a setup could be used to refine simulations, reduce uncertainties in fission yield databases, and test assumptions used in weapons physics models.
—Neetika Walter, Interesting Engineering, 28 Jan. 2026
In addition, the Doemel ruling also relied on assumptions about other state’s laws that no longer hold, as some states now allow public walking along Great Lakes shorelines.
—Caitlin Looby, jsonline.com, 28 Jan. 2026
Get ready to challenge old assumptions!
—Tarot.com, Sun Sentinel, 22 Jan. 2026
The study also challenges long-standing assumptions about how quickly hydrothermal iron can reach the ocean surface.
—New Atlas, 22 Jan. 2026
Leaders are now compelled to reassess their foundational assumptions, as geopolitical risk increasingly impacts economic stability, regulatory environments, and market access.
—Bryce Hoffman, Forbes, 23 Mar. 2025
Recent Examples of Synonyms for assumptions
Noun
-
Those are, indeed, pat, credible theories and predictions.—
Théoden Janes,
Charlotte Observer,
8 Jan. 2026
-
But now, in the planet’s capital city of Apperax, a murder is committed with no suspects, forensics or theories.—
Aaron Couch,
HollywoodReporter,
8 Jan. 2026
Noun
-
The ministry posted a statement in Spanish on X saying Consulate officials immediately impeded the agents from entering the consulate’s premises, protecting Ecuadorian nationals who were inside the building.—
Christopher Cann,
USA Today,
28 Jan. 2026
-
Then came digital transformation, turning on-premises work such as marketing, commerce, or HR into digital services, often rented via remote cloud computing.—
Bipul Sinha,
Fortune,
27 Jan. 2026
Noun
-
When anyone with a creative spark can orchestrate a cloud of AI agents to build prototypes, analyze markets, and test hypotheses, the cost of trying something new plummets.—
Erik Brynjolfsson,
Time,
2 Jan. 2026
-
Engineers use agents to test hypotheses.—
Norbert Jung,
Fortune,
17 Dec. 2025
Noun
-
This opens the door to distortions, the possibility of blending details with other experiences and even creating beliefs about events that never actually happened.—
Mark Travers,
Forbes.com,
26 Jan. 2026
-
Some, in fact, have even been killed for their beliefs.—
DP Opinion,
Denver Post,
26 Jan. 2026
Noun
-
ProPublica, in a 2023 story, reexamined the incident, the legal presumptions, the background of the men and Stingley’s father’s relentless legal campaign to bring the men into court.—
Megan O’Matz,
ProPublica,
16 Jan. 2026
-
The series later won five Emmys, upending presumptions about the kinds of shows people still really want to watch.—
Sophie Gilbert,
The Atlantic,
10 Jan. 2026
Noun
-
O'Donnell took further issue with her feeling that Hasselbeck didn't defend her against suppositions that O'Donnell was un-American for her opposition to military advances.—
Joey Nolfi,
Entertainment Weekly,
7 Oct. 2025
-
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
Cite this Entry
“Assumptions.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assumptions. Accessed 1 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
