magister C2+

/ˈmædʒɪstɚ/ a master or teacher, especially in a medieval or academic context

magisterial C2+

/ˌmædʒɪˈstɪriəl/ having an air of authority; authoritative and commanding

majesty C2+

/ˈmædʒɪsti/ impressive dignity or grandeur; a title for a sovereign