elective
adjective
[ ɪˈlɛktɪv ]
• related to or working by means of election.
• "an elective democracy"
• (of surgical or medical treatment) chosen by the patient rather than urgently necessary.
• "elective surgery"
elective
noun
• an optional course of study.
Origin:
late Middle English: from Old French electif, -ive, from late Latin electivus, from elect- ‘picked out’, from the verb eligere (see elect).
