given, presumption, precondition -- (an assumption that is taken for granted)
presumption -- ((law) an inference of the truth of a fact from other facts proved or admitted or judicially noticed)
presumption, presumptuousness, effrontery, assumption -- (audacious (even arrogant) behavior that you have no right to; "he despised them for their presumptuousness")
presumption -- (a kind of discourtesy in the form of an act of presuming; "his presumption was intolerable")