Dictionary entry

πεποίθησις

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

† πεποίθησις, -εως, ἡ

(< πείθω), [in LXX: IV Ki 18:19 (בִּטָּחוֹן)*;]

confidence: II Co 1:15 3:4 10:2, Eph 3:12; seq. εἰς, II Co 8:22; ἐν, Phl 3:4 (the word is condemned by the Atticists, v. Rutherford, NPhr., 355).†