Magisterial/ˌmædʒɪˈstɪriəl/ Definition 1 of 3Pro Tip 1/3Air of Expertise Use 'magisterial' to imply someone speaks with the weight and skill of an expert. Her magisterial address to the conference impressed every attendee. Pro Tip 2/3High Position Link 'magisterial' with high-ranking officials who command respect. The CEO's magisterial presence was felt throughout the company. Pro Tip 3/3Not Casual 'Magisterial' is formal and not used for casual or friendly settings. His magisterial lecture set a serious tone for the semester.