Definition of: assumption

(ə·sump′shən) noun
1. An assuming, or that which is assumed.
2. A taking for granted; supposition.
3. Presumption; arrogance.
4. Logic A minor premise. See synonyms under ARROGANCE, ASSURANCE, PRETENSE.
—the Assumption
1. Theol. The doctrine that the Virgin Mary was bodily taken up into heaven at her death.
2. A church feast, observed on August 15, commemorating this event. [<L assumptio, -onis <assumere. See ASSUME.]