(1):
(a.) Dependent on choice; bestowed or passing by election; as, an elective study; an elective office.
(2):
(a.) Pertaining to, or consisting in, choice, or right of choosing; electoral.
(3):
(n.) In an American college, an optional study or course of study.
(4):
(a.) Exerting the power of choice; selecting; as, an elective act.