magisterial
adjective /ˌmædʒɪˈstɪəriəl/
/ˌmædʒɪˈstɪriəl/
(formal)- (especially of a person or their behaviour) having or showing power or authority
- He talked with the magisterial authority of the head of the family.
- (of a book or piece of writing) showing great knowledge or understanding synonym authoritative
- his magisterial work ‘The Roman Wall in Scotland’
- [only before noun] connected with a magistrate
Word Originearly 17th cent.: from medieval Latin magisterialis, from late Latin magisterius, from Latin magister ‘master’.