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assumption - definition and synonyms


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noun assumption pronunciation in British English /əˈsʌmpʃ(ə)n/
Word Forms
  1. 1
    [countable] something that you consider likely to be true even though no one has told you directly or even though you have no proof

    Your argument is based on a completely false assumption.

    assumption that:

    There is an assumption that all the people who live around here are rich.

    make an assumption (=make a decision based on poor evidence):

    People tend to make assumptions about you based on your appearance.

    on the assumption that:

    The law works on the assumption that it is preferable for children to be with their mother.

  2. 2
    [uncountable] a process in which you begin to use your power or status, or begin to be responsible for something

    the assumption of adult responsibilities



to fall over forwards so that your face hits the ground or another surface

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the activity of exploring abandoned buildings and other manmade structures

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