assumption
Americannoun
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something taken for granted; a supposition.
a correct assumption.
- Synonyms:
- theory, postulate, guess, conjecture, hypothesis, presupposition
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the act of taking for granted or supposing.
- Synonyms:
- presupposition, presumption
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the act of taking to or upon oneself.
- Synonyms:
- acceptance
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the act of taking possession of something.
the assumption of power.
- Synonyms:
- usurpation, appropriation, seizure
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- Synonyms:
- gall, forwardness, effrontery
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the taking over of another's debts or obligations.
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Ecclesiastical.
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(often initial capital letter) the bodily taking up into heaven of the Virgin Mary.
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(initial capital letter) a feast commemorating this, celebrated on August 15.
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Logic. the minor premise of a syllogism.
noun
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the act of taking something for granted or something that is taken for granted
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an assuming of power or possession of something
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arrogance; presumption
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logic a statement that is used as the premise of a particular argument but may not be otherwise accepted Compare axiom
noun
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the taking up of the Virgin Mary (body and soul) into heaven when her earthly life was ended
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the feast commemorating this, celebrated by Roman Catholics on Aug 15
Pop Culture
—Assumption persona: A persona is a detailed description of a fictional user (of a product, software program, etc.), based on real-world data. Software engineers and data companies create personas as user models to help build their products. In order to illustrate the utility of using data-driven personas in design, “assumption personas” (personas derived from existing assumptions about users) are used as negative examples showing how assumptions can lead to bad design choices. —Assumption of risk: the name for a defense used in tort law, where the defense argues that the plaintiff took action knowing the risks involved.
Other Word Forms
- assumptive adjective
- assumptively adverb
- misassumption noun
- nonassumption noun
- overassumption noun
- preassumption noun
- reassumption noun
- self-assumption noun
- superassumption noun
Etymology
Origin of assumption
First recorded in 1250–1300; Middle English assumpcioun, assompcioun, assumsion, from Latin assūmptiōn- (stem of assūmptiō ), equivalent to assūmpt(us) “taken up” (past participle of assūmere ) + -iōn- noun suffix; assume, -ion
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That would complicate the job for the Federal Reserve and other major central banks, which have cut interest rates in recent years under the assumption that the worst of postpandemic inflation was behind them.
Together, these findings challenge long standing assumptions about iron sources in the Southern Ocean as the planet warms.
From Science Daily
The implicit assumption is that earnings are driven primarily by procurement wins and geopolitical events.
From MarketWatch
Their findings show that at least one microbe can tolerate ambiguity in its genetic code, overturning a central assumption in biology.
From Science Daily
Simplistic investing in a sector ETF is based on the assumption that the component stocks accurately discount all their risks and future returns.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
