形容词elective
1. 任命充当的：appointer 任命者 | appointive 任命充当的 | appointment 约会
2. 由任命而充当的：appointer || 任命者, 指派者 | appointive || 由任命而充当的 | appointment call || 定人定时呼叫
adj
1. subject to appointment
Synonym: appointed
2. relating to the act of appointing
e.g. appointive powers