Definition of postulate

• n. - Something demanded or asserted; especially, a position or supposition assumed without proof, or one which is considered as self-evident; a truth to which assent may be demanded or challenged, without argument or evidence.
• n. - The enunciation of a self-evident problem, in distinction from an axiom, which is the enunciation of a self-evident theorem.
• a. - Postulated.
• v. t. - To beg, or assume without proof; as, to postulate conclusions.
• v. t. - To take without express consent; to assume.
• v. t. - To invite earnestly; to solicit.