‖n. [ L. See Master. ] Master; sir; -- a title of the Middle Ages, given to a person in authority, or to one having a license from a university to teach philosophy and the liberal arts. [ 1913 Webster ]

a. [ L. magisterius magisterial. See Master. ] 1. Of or pertaining to a master or magistrate, or one in authority; having the manner of a magister; official; commanding; authoritative. Hence: Overbearing; dictatorial; dogmatic. [ 1913 Webster ]

When magisterial duties from his home
Her father called. Glover. [ 1913 Webster ]

We are not magisterial in opinions, nor, dictator-like, obtrude our notions on any man. Sir T. Browne. [ 1913 Webster ]

Pretenses go a great way with men that take fair words and magisterial looks for current payment. L'Estrange. [ 1913 Webster ]

2. (Alchem. & Old Chem.) Pertaining to, produced by, or of the nature of, magistery. See Magistery, 2. [ 1913 Webster ]

Syn. -- Authoritative; stately; august; pompous; dignified; lofty; commanding; imperious; lordly; proud; haughty; domineering; despotic; dogmatical; arrogant. -- Magisterial, Dogmatical, Arrogant. One who is magisterial assumes the air of a master toward his pupils; one who is dogmatical lays down his positions in a tone of authority or dictation; one who is arrogant insults others by an undue assumption of superiority. Those who have long been teachers sometimes acquire, unconsciously, a manner which borders too much on the magisterial, and may be unjustly construed as dogmatical, or even arrogant. [ 1913 Webster ]

n. Magisterialness; authoritativeness. [ R. ] Fuller. [ 1913 Webster ]

adv. In a magisterial manner. [ 1913 Webster ]

n. The quality or state of being magisterial. [ 1913 Webster ]

n. [ L. magisterium the office of a chief, president, director, tutor. See Magistrate. ] 1. Mastery; powerful medical influence; renowned efficacy; a sovereign remedy. [ Obs. ] Holland. [ 1913 Webster ]

2. A magisterial injunction. [ R. ] Brougham. [ 1913 Webster ]

3. (Chem.) A precipitate; a fine substance deposited by precipitation; -- applied in old chemistry to certain white precipitates from metallic solutions; as, magistery of bismuth. Ure. [ 1913 Webster ]