γνώστης
English (LSJ)
ου, ὁ,
A one that knows, τῶν ἐθῶν Act.Ap.26.3; τοῦ εὐαγγελίου Sammelb.421.1 (iii A. D.): esp.one who knows the future, diviner, LXX 1 Ki.28.3. II = γνωστήρ, surety, γ. τῆς πίστεως Plu.Flam.4; expert witness or valuer, PLips.106.10 (i A. D.).
German (Pape)
[Seite 499] ὁ, dasselbe; πίστεως παρέχεσθαι καὶ βεβαιωτήν Plut. Flam. 4; übh. der Kenner, N. T.; vgl. Möris p. 116.