1. （行为或作品）威风的，有威严的，权威的
If you describe someone's behaviour or work as magisterial, you mean that they show great authority or ability.

1. used of a person's appearance or behavior
befitting an eminent person

e.g. his distinguished bearing
the monarch's imposing presence
she reigned in magisterial beauty

Synonym: distinguishedgrandimposing

2. offensively self-assured or given to exercising usually unwarranted power

e.g. 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

Synonym: autocraticbossydominatinghigh-and-mightyperemptory

3. of or relating to a magistrate

e.g. official magisterial functions