magisterial

adjectives

of or relating to a magistrate
"official magisterial functions"
is derived from
pertains to
offensively self-assured or given to exercising usually unwarranted power
"an autocratic person"; "autocratic behavior"; "a bossy way of ordering others around"; "a rather aggressive and dominating character"; "managed the employees in an aloof magisterial way"; "a swaggering peremptory manner"
used of a person's appearance or behavior; befitting an eminent person
"his distinguished bearing"; "the monarch's imposing presence"; "she reigned in magisterial beauty"