• (n.) A taking. • (n.) The major premise of a syllogism.
Sump'tion noun [ Latin sumptio , from sumere , sumptum , to take.] 1. A taking. [ Obsolete] Jer. Taylor. 2. (Logic) The major premise of a syllogism. 
sumption 1. The reception (of the Sacrament, of Christ in the Sacrament). 2. The taking of a thing as true without proof; hence, an assumption, premise.; the major premise of a syllogism.