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assume

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verb [transitive] American English pronunciation: assume /əˈsum/ 
Word Forms
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present tense
I/you/we/theyassume
he/she/itassumes
present participleassuming
past tenseassumed
past participleassumed
 
  1. 1
    to believe that something is true, even though no one has told you or even though you have no proof

    Everyone accepted she was telling the truth, although in fact this was quite a lot to assume.

    assume (that):

    I'm assuming everyone here has an e-mail address.

    I think we can safely assume that he is out of town.

    assume someone/something to be/do something:

    I have always assumed her to be British.

    1. a.
      to be based on the idea that something is true

      This forecast assumes there will be no recession.

      This score is assumed to represent the achievement of an average 7-year-old.

  2. 2
    formal to officially start a new job or position

    He formally assumes the presidency next week.

    She has been invited to assume the role of mentor.

  3. 4
    to begin to have a particular quality, shape, expression, etc.

    The animals assumed their normal resting position.

    Time with the family has started to assume greater importance.

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