A Quick and Simple Dictionary

premise

1. Noun.  A proposition antecedently supposed or proved; something previously stated or assumed as the basis of further argument; a condition; a supposition.
2. Noun.  (logic) Any of the first propositions of a syllogism, from which the conclusion is deduced.
3. Noun.  (usually, plural) Matters previously stated or set forth; esp., that part in the beginning of a deed, the office of which is to express the grantor and grantee, and the land or thing granted or conveyed, and all that precedes the habendum; the thing demised or granted.
4. Noun.  (usually, plural) A piece of real estate; a building and its adjuncts (in this sense, used most often in the plural form).
5. Verb.  To state or assume something as a proposition to an argument.
6. Verb.  To make a premise.