Lewis & Short

Augustānus (Augustīānus, Suet Ner 25; Front. Col. pp. 1, 106, 139 Goes.: Augustānĕus, Auct. Limit. p. 265 Goes.), a, um, adj. [Augustus].

  1. I. Of or pertaining to Augustus: colonia, Dig. 50, 15, 1: DOMVS, Inscr. Orell. 2350 and 2947.
  2. II. Of or belonging to an emperor, imperial: Augustani, Roman knights appointed by Nero, Tac. A. 14, 15; Suet. Ner. 25.
  3. III. Augustāni, ōrum, m., the inhabitants of cities which had the title Augusta, Plin. 3, 3, 4, § 23 al.