Lewis & Short

consternātĭo, ōnis, f. [2. consterno] (not ante-Aug.; mostly in histt.), confusion, dismay, consternation, alarm, disquietude, disturbance.

  1. I. In gen.: pavor et consternatio mentis, Tac. A. 13, 16: quae causa irae consternationisque subitae foret, Liv. 28, 25, 5 Weissenb. ad loc.: muliebris, id. 34, 2, 6: creditorum, Val. Max. 9, 7, 4: populi, id. 9, 15, 4; Suet. Calig. 51; id. Claud. 12.
    1. * B. Transf., of the fright of horses (with pavor), Liv. 37, 42, 1.
  2. II. In partic., mutiny, tumult, disorder, sedition, Liv. 34, 2, 6; Tac. A. 1, 39: neque plures consternatione proximā insanisse crediderim, id. H. 1, 83 fin.; 2, 49; 4, 50: excusare apud regem consternationem suam, Curt. 5, 10, 8: interfectis consternationis auctoribus, id. 7, 10, 13; 8, 1, 24.