prōgressĭo, ōnis, f. [progredior], a going forth or forward, progression; trop., advancement, progress, growth, increase (a favorite word with Cicero).
I In gen.: omnium rerum principia parva sunt, sed suis progressionibus usa augentur, Cic. Fin. 5, 21, 58; cf. id. Ac. 1, 5, 20: progressionem, virtutem persequi, id. Fin. 4, 7, 17: progressio admirabilis ad omnem excellentiam, id. Tusc. 4, 1, 1: progressionem facere ad virtutem, id. Fin. 4, 24, 66: discendi, id. Off. 3, 3, 14.—
II In partic., a figure of speech, a progression , climax , i. e. a progressive strengthening of expressions , Cic. de Or. 3, 54, 206; Quint. 9, 1, 33.