noun
Etymology: Middle English, from Late Latin assumption-, assumptio taking up, from Latin assumere
Date: 13th century
1. the taking up of a person into heaven, August 15 observed in commemoration of the Assumption of the Virgin Mary, a taking to or upon oneself , the act of laying claim to or taking possession of something , arrogance , pretension ,
5. an assuming that something is true, a fact or statement (as a proposition, axiom, postulate, or notion) taken for granted, the taking over of another's debts