As-sŭmp'tion, n.

(-sŭm'shun), n. [O. Fr. assumption, N. Fr. assumption, Pr. assumptio, Lat. assumptio, from assumere. See ASSUME.]

1. The act of assuming, or taking to or upon one's self. “The assumption of authority.” Whewell.
2. The act of taking for granted, or supposing a thing without proof; supposition.

This gives no sanction to the unwarrantable assumption that the soul sleeps from the period of death to the resurrection of the body. Thodey. 3. The thing supposed; a postulate, or proposition assumed. Hold! says the Stoic; your assumption's wrong. Dryden.

4. (Logic.) The minor or second proposition in a categorical syllogism.
5. The taking a person up into heaven. Hence (Rom. Cath. & Greek Churches), a festival in honor of the ascent of the Virgin Mary into heaven.