indication Copy link Outline 1. indĭcium (anything that indicates or proves2. vestīgium (cf. supr.)3. argūmentum4. signĭfĭcātio (the act of expressing a thing by signs or other indications)5. signum • indication: 1. indĭcium (anything that indicates or proves: rather more positive than the Eng.): i.s and traces of poison, i. et vestigia veneni, Cic. Clu. 10, extr.: most certain proofs and i.s of guilt, certissima argumenta atque i. sceleris, Cic. Cat. 3, 5, 13: cf. preced. art. (3). 2. vestīgium (cf. supr.): v. trace. 3. argūmentum: v. proof. 4. signĭfĭcātio (the act of expressing a thing by signs or other indications): not by express proof but by i.s, non demonstratione sed s., Cic. de Or. 3, 59, init.: also the sign or indication itself: i.s of health, s. valetudinis, Cic. Div. 2, 69, 142. 5. signum: v. sign. To be an i. of, indicare, significare: v. to indicate.