ἐπιστροφή, ἐπιστροφῆς, ἡ (ἐπιστρέφω), conversion (of Gentiles from idolatry to the true God (cf. Winer's Grammar, 26)): Act_15:3. (Cf. Sir_49:2 Sir_18:21 (20); in Greek writings in many other senses.)

ἐπιστροφή epistrophē 1x a turning towards, a turning about; in NT met. conversion, Act_15:3

ἐπι -στροφή , -ῆς , ἡ (ἐπιστρέφω ), [in LXX : Eze_47:7 ( H7725 ), Sir_18:21 ; Sir_49:2 , etc.;] a turning about; metaph ., conversion ( Field, Notes , 246): Act_15:3 .†

ἐπιστροφή [page 246] ἐπιστροφή occurs = attention, regard in a prisoner s petition P Petr II. 19 (2) .2 (iii/B.C.) καλῶς οὖμ ποιήσεις ἐ [πι ]στροφήν [μου π ]οιησάμενος , ἐρρεῖμαι γὰρ κακῶς διακείμενος ἀπ᾽ ἐκείνου : cf. PSI IV. 380 .8 (B.C. 249 8), and Michel 543 .3 ( c. B.C. 200) ὁ δῆμος ἐπι [στροφ ]ῆς ἀξίαν πρόσευξιν . . ποιούμενος . In Chrest. I. 176 .12 (probably time of Nero) the lessee of an olive-yard complains of certain outlays that he had been obliged to make μηδεμίαν μου ἐπιστρ [ο ]φὴν ποιησαμένων αὐτῶν ( sc. τῶν προεστώτων ) : cf. Syll 790 .76 (i/B.C.) ὑπολαμβάνομεν δὲ ἀναγκαῖ [ον ] εἶναι καὶ συμφέρον γενέσθαι τινὰ περὶ τούτων ἐπιστροφήν with reference to the renewal of trees that had been destroyed. On the deepened meaning which this and similar words assumed in the language of Christianity, see Milligan Documents , p. 58 f., and cf. Hobart, p. 172 f.

ἐπιστροφή ἐπιστροφή, ἡ, [Etym: ἐπιστρέφω] "a turning about, twisting", Plat. intr. "a turning or wheeling about", of men "turning to bay", Soph. ; ἐπιστροφαὶ κακῶν "renewed assaults" of ills, id=Soph. :—of ships, "a putting about, tacking", Thuc. "a turn" of affairs, "reaction", id=Thuc. "attention paid to" a person or thing, "regard", Soph. , etc. "a moving up and down in" a place, δωμάτων ἐπιστροφαί "occupation" of them, Aesch. ; ξενοτίμους ἐπ. δωμάτων, of the duties of hospitality, id=Aesch.

ἐπι-στροφή, -ῆς, ἡ (ἐπιστρέφω) [in LXX: Eze.47:7 (שׁוּב), Sir.18:21 49:2, etc. ;] a turning about; metaphorically, conversion (Field, Notes, 246): Act.15:3.† (AS)