definition of
assumption

[1] #1 assumption n. [premise, premiss] a statement that is assumed to be true and from which a conclusion can be drawn; "on the assumption that he has been injured we can infer that he will not to play". wn

[2] #2 assumption n. [supposition, supposal] a hypothesis that is taken for granted; "any society is built upon certain assumptions". wn

[3] #3 assumption n. [laying claim] the act of taking possession of or power over something; "his assumption of office coincided with the trouble in Cuba"; "the Nazi assumption of power in 1934"; "he acquired all the company's assets for ten million dollars and the assumption of the company. wn

[4] #4 assumption n. [Assumption, Assumption of Mary, August 15] 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. wn

[5] #5 assumption n. [Assumption] (Christianity) the taking up of the body and soul of the Virgin Mary when her earthly life had ended. wn