fitness Copy link Outline 1. convĕnientia (of parts to each other; mutual f.)2. hăbĭlĭtas (of persons)3. expr. by adj. • fitness: 1. convĕnientia (of parts to each other; mutual f.): the f. of parts to each, other, c. partium, Cic. Off. 1, 4, 14: virtue consists in a f. (or harmony), virtus convenientiâ constat, Sen. Ep. 74, 30. 2. hăbĭlĭtas (of persons): v. aptitude. 3. expr. by adj.: to doubt a person's f. for the management of a business, *dubitare num quis ad rem administrandam habilis, accommodatus sit: v. fit (adj.)