rōboro, āvi, ātum, 1, v. a. id., to make strong; to strengthen, invigorate, confirm (rare but class.). Lit.: artus, Lucr. 4, 1038: equum largo cibo, Col. 6, 27, 8: nidos stramento, Plin. 10, 33, 49, § 92: vitem, id. 17, 22, 35, § 175: spicam, id. 18, 28, 67, § 260.

— Trop.: gravitatem perpetuā constantiā, Cic. Off. 1, 31, 112; cf.: haec omnia exercitatione plurimā, Quint. 8, prooem. § 28: recti cultus pectora roborant, Hor. C. 4, 4, 34: educata hujus nutrimentis eloquentia ipsa se postea colorat et roborat, becomes strong, Cic. Or. 13, 42: regnum, Vulg. 2 Par. 11, 17.

—Hence, * rōborātus, a, um, P. a., strengthened, strong, vigorous: roboratior exitus, Tert. Anim. 25; Hier. Cont. Pel. 3, 8.