I.familiarity, intimacy, familiar intercourse, friendship, intimate acquaintance.
I. Prop. (freq. and class.; in sing. and plur.; “syn.: amicitia, necessitudo, notitia): familiaritas tanta nullo cum hospite ... ut nihil sit familiaritate nostra conjunctius,” Cic. Fam. 13, 19, 1; cf.: “cum Antipatro Derbete mihi ... summa familiaritas intercedit,” id. ib. 13, 73, 2: “cum P. Terentio Hispone mihi summa familiaritas consuetudoque est,” id. ib. 13, 65, 1: “viri boni ... familiaritate conjuncti,” id. Off. 1, 17, 55: “memorabilis C. Laelii et P. Scipionis,” id. Lael. 1, 4: “digna mihi res nostrā familiaritate visa est,” id. ib.: Verginii familiaritate delector, id. ib. 27, 101: “familiaritatem consuetudo affert,” id. Deiot. 14, 39: “in alicujus familiaritatem venire,” id. Fam. 7, 15, 2: “in familiaritatem intrare penitus,” id. Q. Fr. 1, 1, 5, § 15: “se insinuare,” id. Caecin. 5, 13: “sese dare,” Cic. Verr. 2, 2, 70, § 169: “recipere aliquem,” id. Phil. 2, 32, 78: “ad ali cujus familiaritatem se applicare,” id. Clu. 16, 46: “versatus in intima familiaritate hominis potentissimi,” id. Balb. 26, 58: “aliquem familiaritate devincire,” id. Q. Fr. 1, 2, 2, § 4 et saep.—In plur.: “consuetudines et familiaritates,” Cic. Off. 1, 17, 53: “inveteratas familiaritates exstinguere (opp.: odia sempiterna),” id. Lael. 10, 35: “jam a sapientium familiaritatibus ad vulgares amicitias oratio nostra delabitur,” id. ib. 21, 76.—
II. Transf., in plur. concr. for familiares, intimate acquaintances, friends: “omnes amicitias et familiaritates intra breve tempus afflixit,” Suet. Tib. 51 fin.—In sing.: “e praecipua familiaritate Neronis,” Tac. A. 15, 50.