• noun:   the act of taking possession of or power over something

  Example: "His assumption of office coincided with the trouble in Cuba"

• noun:   the act of assuming or taking for granted

  Example: "Your assumption that I would agree was unwarranted"

• noun:   a hypothesis that is taken for granted

  Example: "Any society is built upon certain assumptions"

• noun:   (Christianity) the taking up of the body and soul of the Virgin Mary when her earthly life had ended
• noun:   celebration in the Roman Catholic Church of the Virgin Mary's being taken up into heaven when her earthly life ended; corresponds to the Dormition in the Eastern Orthodox church
• noun:   a statement that is assumed to be true and from which a conclusion can be drawn

  Example: "On the assumption that he has been injured we can infer that he will not to play"

• noun:   audacious (even arrogant) behavior that you have no right to

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