I.quietness, stillness, tranquillity.
I. Lit., calmness of wind or weather, a calm: “tanta subito malacia ac tranquillitas exstitit, ut se ex loco movere non possent (naves),” Caes. B. G. 3, 15: “si proficiscatur hac tranquillitate,” Cic. Ac. 2, 31, 100: “maris tranquillitas intellegitur nullā ne minimā quidem aurā fluctus commovente,” id. Tusc. 5, 6, 16: “mira serenitas cum tranquillitate oriebatur,” Liv. 26, 11, 3: “summā tranquillitate consecutā,” Caes. B. G. 5, 23: “insidiosa,” Plin. Pan. 66, 3; and in plur.: “nos longis navibus tranquillitates aucupaturi eramus,” Cic. Att. 6, 8, 4; cf.: “securitas quae est animi tamquam tranquillitas,” id. Fin. 5, 8, 23. —
II. Trop., calmness, quiet, serenity, tranquillity of mind or affairs (a favorite trope of Cic.): “locus quietis et tranquillitatis plenissimus,” Cic. de Or. 1, 1, 2: “tranquillitas (animi), id est placida quietaque constantia,” id. Tusc. 4, 5, 10: “summa tranquillitas pacis et otii,” id. Agr. 1, 8, 21; cf. Sen. Tranq. 2, 3 sq.: “tranquillitas animi et securitas ... tranquillitatem expetere,” Cic. Off. 1, 20, 69; cf.: “otium ac tranquillitatem vitae sequi,” id. Mur. 27, 55: “et jam ibi nequaquam eadem quies ac tranquillitas erat,” Liv. 24, 27, 7: “non multum ad tranquillitatem locus confert,” Sen. Ep. 55, 8: illa tranquillitas vera est, in quam bona mens explicatur. id. ib. 56, 6: “tranquillitatem et otium penitus auxit,” Tac. Agr. 40 fin.: “ad carminis tranquillitatem tamquam ad portum confugerunt,” Petr. 118.—
B. In partic.
1. De Tranquillitate Animi, the title of a work of Seneca the philosopher. —
2. Tranquillitas tua, Your Serenity, Your Serene Highness, a later title of the Roman emperors, Eutr. praef.: “vestra,” id. 1, 11.
