elective🔊

(electoral) Of, or pertaining to voting or elections; involving a choice between options.{{w|Elisha Coles}}, ''An English Dictionary,'' London: Peter Parker, 1677: “''Elective,'' belonging or subject to ''Election''.”[http://name.umdl.umich.edu/A33754.0001.001] +

(freely chosen and optional) Open to choice; freely chosen; (also, usually) unnecessary; minor. +

(scheduled and nonemergent) (technical) Scheduled and nonemergent {{ng|(regardless of whether necessary or unnecessary and whether minor or serious)}}.

Something that is an option or may be freely chosen, especially a course of study.