n. The act of taking to one's self; a taking upon one's self; undertaking.n. The act of taking for granted, or supposing without proof; supposition.n. The thing supposed; a postulate or proposition assumed.n. In logic, the minor premise in a categorical syllogism.n. [This use of the word, originating with Cicero (Latin assumptio), was revived in the sixteenth century, and is common in modern Latin, but is rare in English.]n. The taking up of a person into heaven; specifically, the traditional anticipated resurrection or bodily taking up into heaven of the Virgin Mary after her death, celebrated by the Roman Catholic, Greek, and Oriental churches by the feast of the Assumption on the 15th of August.n. Adoption, or making use of.n. In law, the agreement of the transferee of property to pay obligations of the transferror which are chargeable on it.n. A conceited disposition, characterized by a tendency to claim more than is one's due; presumption.