Lexical Definition

‎ἐπιστροφή‎ epistrophḗ (ep-is-trof-ay') conversion ^G:N-F
from ‎ἐπιστρέφω‎

conversion.

• reversion, i.e. morally, revolution

Abbott-Smith

ἐπι-στροφή, -ῆς, ἡ (ἐπιστρέφω) [in LXX: Ez 47:7 (שׁוּב), Si 18:21 49:2, etc. ;]
a turning about; metaph., conversion (Field, Notes, 246): Ac 15:3.†

Abbott-Smith References

Liddell-Scott-Jones

ἐπιστροφή-ή,ἡ,

turning about, τῆς τοῦ ἀτράκτου δίνης [Refs 5th c.BC+]; twisting, [Refs 4th c.BC+]; of strands, [Refs 3rd c.BC+]

__2. bending of a bow, [Refs 1st c.BC+]
__3. curve, winding of a bay, [Refs]; of a river, [Refs 1st c.BC+]
__II. intransitive, turning or wheeling about, δαΐων ἀνδρῶν ἐπιστροφήαί, i.e. hostile men turning to bay, [Refs 5th c.BC+]; tossing, of a restless patient, [Refs 5th c.BC+]; μυρίων ἐπιστροφήαὶ κακῶν renewed assaults of ills unnumbered, [Refs 5th c.BC+]; wheeling through a right angle, [Refs 1st c.BC+]; of ships, putting about, tacking, [Refs 5th c.BC+]; ἐξ ἐπιστροφήῆς by a sudden wheel, [Refs 2nd c.BC+]; but ἐξ ἐπιστροφήῆς παθεῖν to have a relapse, [Refs 5th c.BC+]
__II.2. turn of affairs, reaction, counter-revolution, μή τις ἐ. γένηται [Refs 5th c.BC+]; result, end, [Refs 2nd c.BC+]
__II.3. attention paid to a person or thing (ἐπιστρέφω [Refs]. respect for guests, [Refs 4th c.BC+]; πρὸ τοῦ θανόντος τήνδ᾽ ἔθεσθ᾽ ἐ. [Refs 5th c.BC+]; ὧν ἐ. τις ἦν to whom any regard was due, [Refs 5th c.BC+]; so ἐπιστροφήῆς ἄξιον [ἐπιστροφήῆς καὶ ὑποδέξιος 5th c.BC: Hippocrates Medicus “περὶ εὐσχημοσύνης” 16 ">Refs 5th c.BC+]; ἐ. ποιεῖσθαι Philipp. cited in [Refs 4th c.BC+]; ἐ. ἔχειν τινός [Refs 4th c.BC+]; ἐπιστροφήῆς τυγχάνειν [Refs 2nd c.BC+]
__II.3.b. Philos., turning towards, πρὸς τὰ τῇδε [Refs 3rd c.AD+]; ψυχὴ καταδεῖται πρὸς τὸ σῶμα τῇ ἐ. τῇ πρὸς τὰ πάθη τὰ ἀπ᾽ αὐτοῦ [Refs 3rd c.AD+]
__II.4. moving up and down in a place, mostly in plural, πατρῴων δωμάτων ἐπιστροφήαί the range of them, [Refs 4th c.BC+]; οἷσιν οὐκ ἐπιστροφήαί men who have no business here, [Refs 5th c.BC+]; βούνομοι ἐ. haunts of the grazing herds, [ἐπιστροφήαί (conjecture for Σηρῶν ἐνστροφαί) [prev. work] 271. ">Refs 4th c.BC+]
__II.5 intentness, vehemence, ἐπιστροφήὴν εἶχεν ὁ λόγος καὶ ἔρρωτο [Refs 2nd c.AD+]
__II.5.b gravity of deportment, ἡ ἐ. τοῦ εἴδους [Refs]
__II.6 correction, reproof, [Refs 1st c.AD+]
__II.7 conversion, [NT+5th c.AD+]
__II.8 in Philos., return to the source of Being, [Refs 3rd c.AD+]; [ἡ ἐ.] τοῦ προελθόντος ἐπάνοδος εἰς τὸ γεννῆσαν [Refs 5th c.AD+]
__II.9 in Logic, conversion of a proposition, ἡ σὺν ἀντιθέσει ἐ. the contraposition, Suppl.ad [Refs 5th c.AD+]

_{LSJ Scripture Refs: Acts.15.3}