assume - definition and synonyms

verb [transitive] 

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present tense
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 email 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 American.

    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. 3
    to start to control something although no one has officially asked you to

    His first priority was assuming control of the army.