archiepiscopate|-skəpeɪt| [f. as archiepiscopal a. + -ate3.] An archbishop's tenure of office; also = archbishopric. 1792Gentl. Mag. Apr. 332 Will shed the most refulgent splendour on the archiepiscopate of Dr. Moore.1855Milman Lat.Chr. (1864) V. ix. vii. 371 Venice..had never become..the seat of an archiepiscopate.