1.Definition: of or relating to a magistrate
"Official magisterial functions"
2.Definition: offensively self-assured or given to exercising usually unwarranted power
"Managed the employees in an aloof magisterial way"
Related Adjective(s):autocratic, bossy, dominating, peremptory
3.Definition: used of a person's appearance or behavior; befitting an eminent person
"She reigned in magisterial beauty"
Related Adjective(s):distinguished, grand, imposing