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Synonyms

assumption

American  
[uh-suhmp-shuhn] / əˈsʌmp ʃən /

noun

  1. something taken for granted; a supposition.

    a correct assumption.

    Synonyms:
    theory, postulate, guess, conjecture, hypothesis, presupposition
  2. the act of taking for granted or supposing.

    Synonyms:
    presupposition, presumption
  3. the act of taking to or upon oneself.

    Synonyms:
    acceptance
  4. the act of taking possession of something.

    the assumption of power.

    Synonyms:
    usurpation, appropriation, seizure
  5. arrogance; presumption.

    Synonyms:
    gall, forwardness, effrontery
  6. the taking over of another's debts or obligations.

  7. Ecclesiastical.

    1. (often initial capital letter) the bodily taking up into heaven of the Virgin Mary.

    2. (initial capital letter) a feast commemorating this, celebrated on August 15.

  8. Logic. the minor premise of a syllogism.


assumption 1 British  
/ əˈsʌmpʃən /

noun

  1. the act of taking something for granted or something that is taken for granted

  2. an assuming of power or possession of something

  3. arrogance; presumption

  4. logic a statement that is used as the premise of a particular argument but may not be otherwise accepted Compare axiom

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Assumption 2 British  
/ əˈsʌmpʃən /

noun

  1. the taking up of the Virgin Mary (body and soul) into heaven when her earthly life was ended

  2. the feast commemorating this, celebrated by Roman Catholics on Aug 15

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

"It's essential we don't make any assumptions... leave us to do our work," she said.

From BBC

The fossil evidence from Spitsbergen now challenges that assumption.

From Science Daily

But he says he wouldn’t be surprised to see that some people will accept the assumption that Betty Boop enters the public domain next year without delving into the legal technicalities.

From Los Angeles Times

U.S. and European cultures generally place a higher value on egalitarianism and direct communication, so their employees may be more willing to challenge leaders’ assumptions about AI effectiveness.

From Barron's

He has carried out long-term research into the children of Syrian war refugees, and cautions against making assumptions.

From BBC