πεπεισμένως
From LSJ
ἐπιφᾶναι τοῖς ἐν σκότει καὶ σκιᾷ θανάτου καθημένοις, τοῦ κατευθῦναι τοὺς πόδας ἡμῶν εἰς ὁδὸν εἰρήνης → to give light to them that sit in darkness and in the shadow of death to guide our feet into the way of peace | to shine on those who live in darkness and the shadow of death, to guide our feet into the way of peace
English (LSJ)
Adv.
A confidently, π. διεγγυώμενος D.L.9.71, cf. 4.56 ; from conviction, Ptol.Alm.2.6, Iamb.VP30.175 : f.l. in Str.15.1.24 (ἀπεφεισμένως cj. Mein.).
German (Pape)
[Seite 560] (πείθω), dreist, zuversichtlich, Strab. u. a. Sp.
Greek (Liddell-Scott)
πεπεισμένως: Ἐπίρρ., πεποιθότως, μετὰ πεποιθήσεως, εὐθαρσῶς, μετὰ θάρρους, Στράβ. 696, Διογ. Λ. 4. 56.