assumption

A hypothesis that is taken for granted.

“any society is built upon certain assumptions”

Audacious (even arrogant) behavior that you have no right to.

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 play”

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”

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.

(Christianity) the taking up of the body and soul of the Virgin Mary when her earthly life had ended.

The act of assuming or taking for granted.

“your assumption that I would agree was unwarranted”