I.v. a., to strengthen or invigorate, to make strong, to corroborate (in good prose; most freq. in Cic.).
I. Lit.: “(puerilis tua vox) se corroboravit,” Cic. Sest. 4, 10: “cum is jam se corroboravisset ac vir inter viros esset,” i. e. had become stronger, greater, was grown up, id. Cael. 5, 11; cf. id. ib. 17, 41; Suet. Tib. 11: “cerebrum,” Plin. 11, 37, 49, § 134: “stomachum,” id. 20, 23, 99, § 263: “torpentis membrorum partis,” id. 24, 4, 7, § 13: “militem opere assiduo,” Suet. Galb. 6: “palmitem,” Col. 4, 24, 10; cf. id. 4, 12, 2.—
II. Trop.: “mens hominis usque eo philosophiam ipsam corroborat, ut virtutem efficiat, etc.,” Cic. Ac. 2, 10, 31: “virtutem,” id. Fl. 26, 63: “corroborare et confirmare ingenia,” id. Lael. 20, 74: “eloquentiae famam,” Tac. Or. 34: “conjurationem nascentem non credendo,” Cic. Cat. 1, 12, 30: “audaciam sceleratissimi hominis,” id. Mil. 12, 32.
