Must

v. i. or auxiliary. [O. Eng. moste, most, O. Sax. mōste, O. Sax. & Goth. mōtan, D. moeten, moest, moet, Sw. måste, Dan. maa, maatte, Icel. má, mátti, mega, O. H. Ger. muozan, N. H. Ger. müssen. It has no variation to express tense, person, or number.]

1Sense 1. To be obliged; to be necessitated; expressing both physical and moral necessity; as, a man must eat for nourishment; we must submit to the laws; a bill in a legislative body must have three readings before it can pass to be enacted.

2Sense 2. To be morally required; to be necessary or essential to the character or end proposed. “Likewise must the deacons be grave.” 1 Tim. iii. 8. Moreover, he [a bishop] must have a good report of them which are without. 1 Tim. iii. 7.