In-cĕp'tive, a.

a. 1. Beginning; expressing or indicating beginning; as, an inceptive proposition; an inceptive verb, which expresses the beginning of action. 2. (Math.) Not possessing magnitude, or magnitude of a certain kind, but yet capable of producing or generating it by extension or enlargement, or by motion; as, a point is inceptive of a line, a line of a surface, a surface of a solid. [Rare.]