Fiat

Chamber's Twientieth Century Dictionary · 1908 · p. 39

fī′at, n. a formal or solemn command: a short order or warrant of a judge for making out or allowing proce es, letters-patent, .—( Spens. ) Fī′aun .— v.t. to sanction, [L. 'let it be done,' 3d pers. sing. pres. subj. of fiĕri , pa ive of facĕre , to do.]