I.fut. fidebo, Nov. ap. Non. 509, 4), 3, v. n. root in Sanscr. bandh, unite; Gr. πείθω, persuade, πεῖσμα, cable; Lat. fidus, Deus Fidius, foedus; cf.: fascis, fascia; Georg Curtius Gr. Etym. p. 262; but Fick refers fido to root bhidh; Goth. beidan; Engl. bide, to expect; Vergl. Wört. p. 380, to trust, confide, put confidence in, rely upon a person or thing (rare; in the verb. finit. mostly poet.; but class. in the part. praes. and P. a.).
(α).
With dat.: “fidere nocti,” Verg. A. 9, 378: “fugae fidens,” id. ib. 11, 351: “pestilentiae fidens (with societate fretus),” Liv. 8, 22, 7: “taedae non bene fisa,” Ov. M. 15, 827: “qui sibi fidit,” Hor. Ep. 1, 19, 22; id. S. 2, 2, 108: “puer bene sibi fidens,” Cic. Att. 6, 6, 4.—
(β).
With abl.: hac (Cynosurā) fidunt duce nocturnā Phoenices in alto, Cic. poët. N. D. 2, 41, 106; id. Ac. 2, 20, 66: “arcu fisi Getae,” Ov. P. 4, 9, 78: “cursu,” id. M. 7, 545: “ope equinā,” id. ib. 9, 125: “pecuniā,” Nep. Lys. 3 fin.: “prudentiā consilioque fidens,” Cic. Off. 1, 23, 81.—Doubtful, whether dat. or abl. (v. Zumpt, Gr. § 413; cf. “confido): nec nitido fidit adultero,” Hor. C. 3, 24, 20: “pictis puppibus,” id. ib. 1, 14, 15: “(Jugurtham) Mario parum fidere,” Sall. J. 112, 2: “ingenio,” Quint. 10, 7, 18; cf.: “ingenio suo,” Plin. Ep. 4, 13 fin.: “suis rebus,” Cic. Att. 10, 8, 2.—
(γ).
With inf.: “fidis enim manare poëtica mella Te solum,” Hor. Ep. 1, 19, 44; Sil. 1, 432: “parum fidens pedibus contingere matrem,” Luc. 4, 615: “fisus cuncta sibi cessura pericula, Caesar,” id. 5, 577.—
(δ).
Absol.: ubi fidentem fraudaveris, i. e. who trusts (you), Plaut. As. 3, 2, 15.—Hence, fīdens , entis, P.a. (lit., trusting to one's self, self-confident; hence), confident, courageous, bold: “qui fortis est, idem est fidens, qui autem est fidens, is profecto non extimescit: discrepat enim a timendo confidere,” Cic. Tusc. 3, 7, 14: “fidenti animo gradietur ad mortem,” id. ib. 1, 46, 110; cf.: “tum Calchas haec est fidenti voce locutus, id. poët. Div. 2, 30, 64: fidens animi,” Verg. A. 2, 61; Tac. A. 4, 59 fin.; so, “fidens armorum,” Luc. 9, 373.—Comp.: “Romanus, fidentior,” Amm. 16, 12 al.—Sup.: fidentissimo impetu acies motae, Amm. 27, 10, 12.— Adv.: fīdenter , confidently, fearlessly, boldly: “timide fortasse signifer evellebat, quod fidenter infixerat,” Cic. Div. 2, 31, 67: “agere,” id. Ac. 2, 8, 24: “confirmare,” id. de Or. 1, 56, 240; cf. id. N. D. 1, 8, 18.—Comp.: “paulo vellem fidentius te illi respondisse,” Cic. Att. 6, 1, 21.—Sup.: “accedere fidentissime,” Amm. 17, 1, 9; August. Ver. Rel. 3.