Elective

a.	1.	Exerting the power of choice; selecting; as, an elective act.
	2.	Pertaining to, or consisting in, choice, or right of choosing; electoral. The independent use of their elective franchise. - Bancroft.
	3.	Bestowed or passing by election; as, an elective office. Kings of Rome were at first elective; . . . for such are the conditions of an elective kingdom. - Dryden.
	4.	Dependent on choice; that can be refused; as, an elective college course. Opposite of required or mandatory. Elective affinity (Chem.) a tendency to unite with certain things; chemism.
n.	1.	In an American college, an optional study or course of study; a course that is not required.

Adj.	1.	elective - subject to popular election; "elective official" Synonyms: elected Antonyms: appointed, appointive - subject to appointment
	2.	elective - not compulsory; "elective surgery"; "an elective course of study"

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