prōgressĭo (noun F) : progredior
* A going forth or forward, progression; trop., advancement, progress, growth, increase (a favorite word with Cicero).
* 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.
* 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.

s. TLL