directorial

adj

1. Of or pertaining to a director

   “The Seventies, that most directorial of decades.”

   “We cannot afford to disregard the evidence of directorial choices.”

2. Of or pertaining to administration or to a directorate

   “After very warm debates, the result was, that the directorial minister of Mentz should make the strongest possible representations to the Emperor's principal commissary.”

   “The analysis ... is consistent with the fair treatment of directors and parties affected by directorial behaviour.”