IPA: //ˌmædʒɪˈstɪəriəl//
KK: /mædʒɪˈstɪrɪəl/
Having a commanding and authoritative presence, often associated with a master or teacher; showing dignity and confidence.
The professor delivered a magisterial lecture that captivated all the students in the hall.
Magisterial → It is formed from "magister" (meaning master or teacher) and the suffix "-ial" (meaning relating to). The word "magisterial" refers to something that is authoritative or characteristic of a master or teacher.
Think of a 'master' ('magister') who has authority and knowledge, which helps you remember that 'magisterial' means something that is authoritative or relating to a master.