Lewis & Short

ădĭtĭālis, e, adj. [aditus], pertaining to entrance: cena, given by a magistrate when he entered upon his office, an inaugural feast, Varr. R. R. 3, 6, 6; Sen. Ep. 95, 41; 123, 4; Plin. 10, 20, 23, § 45; so, epulae, id. 29, 4, 14, § 58.