principle Copy link Outline I. Elemental germ or force; beginning1. princĭpium2. ĕlĕmentum3. only in pl., prīmordia, orumII. A rule laid down, a fundamental maxim1. instĭtūtum2. collectively, instĭtūtio, rătio, disciplīna3. dēcrētum (dogma)III. With reference to practical life, conscientiousness, integrity • principle: I. Elemental germ or force; beginning: 1. princĭpium: the first p. of all things, pr. rerum, Lucr. 1, 834. Usu. pl.: the first p.s of law, pr. juris, Cic. Leg. 1, 6, 18: to lay down carefully the first p.s, pr. bene explorata ponere, ib. 1, 13, 37. 2. ĕlĕmentum: v. element. 3. only in pl., prīmordia, orum: Lucr. 1, 56 (rerum pr.). II. A rule laid down, a fundamental maxim: 1. instĭtūtum: the precepts and p.s of philosophy, praecepta institutaque philosophiae, Cic. Off. init.: to imbue the mind with the soundest p.s, optimis i. mentem imbuere, Quint. 1, 1, 16: the p.s of jurisprudence, juris publici instituta, Cic. Br. 77, 269. 2. collectively, instĭtūtio, rătio, disciplīna: cf. Cic. Q. Fr. 1, 1, 6, haec institutio atque haec disciplina (these p.s and rules of conduct): id. Or. 32, 115, hac Chrysippi disciplina institutus (trained in these p.s): the p.s of the Stoics, Stoicorum ratio disciplinaque, id. Off. 3, 4, 20. 3. dēcrētum (dogma): Cic. Ac. 2, 9, 27: Sen. III. With reference to practical life, conscientiousness, integrity: Phr.: a man of p., vir gravis et severus, Cic. de Or. 2, 56, 228; vir sanctus et religiosus (with ref. to oaths), Cic. R. Com. 15, 44; vir justi officiique observans (v. upright, conscientious): a man of no p., vir levis (with no solidity of character), Cic. Clu. 28, init. (leves ac nummarii judices): see also unprincipled.