improvement Copy link Outline I. The actII. Progress made • improvement: I. The act: expr. by verb: v. preced. art. (I.). Phr.: to study philosophy with a view to self-i., philosophiam in suum remedium exercere, Sen. Ep. 111, 1. II. Progress made: prōfectus, ūs: according as each pupil seemed to be making the most i., ut quisque praecedere profectu videbatur, Quint. 1, 2, 23: Sen. To make i., proficere: v. to improve (fin.).