premise
n//prɪˈmajz//premiss, lokal
A proposition antecedently supposed or proved; something previously stated or assumed as the basis of further argument; a condition; a supposition.
(usually, in the plural, legal) Matters previously stated or set forth; especially, 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.
(usually, in the plural) A piece of real estate; a building and its adjuncts.