mid-15c., from Middle French administrateur or directly from Latin administrator "a manager, conductor," agent noun from past participle stem of administrare (see administer). Estate sense is earliest. For ending, see -er.
1. He rejoined Sadler's Wells Royal Ballet as Assistant Administrator in 1988.
2. He was appointed Apostolic Administrator of Minsk by Pope John Paul II.
3. The job went to Yuri Skokov, a capable administrator.
4. He is well-intentioned but a poor administrator.
5. The role of administrator absorbed much of Ben's energy.