ἐπιγινώσκω; (imperfect ἐπεγίνωσκον); future ἐπιγνώσομαι; 2 aorist ἐπέγνων; perfect ἐπέγνωκα; (passive, present ἐπιγνώσκομαι; 1 aorist ἐπεγνώσθην); ἐπί denotes mental direction toward, application to, that which is known); in the Sept. chiefly for éÈãÇò and ðÄëÇÌø, äÄëÄÌéø;

1. to become thoroughly acquainted with, to know thoroughly; to know accurately, know well (see references under the word ἐπίγνωσις, at the beginning): 1Co 13:12 (where γινώσκω ἐκ μέρους and ἐπιγινώσκω, i. e. to know thoroughly, know well, divine things, are contrasted (Winer’s Grammar, § 39, 3 N. 2)); with an accusative of the thing, Luk 1:4; 2Co 1:13; τήν χάριν τοῦ Θεοῦ, Col 1:6; τήν ἀλήθειαν, 1Ti 4:3; τήν ὁδόν τῆς δικαιοσύνης, 2Pe 2:21 (cf. Buttmann, 305 (262)); τό δικαίωμα τοῦ Θεοῦ, Rom 1:32; τί followed by ὅτι (by the familiar attraction (Winers Grammar, 626 (581); Buttmann, 376 (322); some bring this example under 2 a. in the sense of acknowledge)), 1Co 14:37; τινα, one’s character, will, deeds, deserts, etc., 1Co 16:18; 2Co 1:14; (passive opposed to ἀγνωύμενοι, 2Co 6:9); τινα ἀπό τίνος (the genitive of a thing), Mat 7:16; Mat 7:20 (Lachmann ἐκ) ("a Gallicis armis atque insignibus cognoscere," for the more common ex, Caesar b. g. 1, 22, 2 (cf. Buttmann, 324 (278f); Winer’s Grammar, 372 (348))); by attraction τινα, ὅτι etc. 2Co 13:5; ἐπιγινώσκει τόν υἱόν, τόν πατέρα, Mat 11:27.

2. universally, to know;

a. to recognize: τινα, i. e. by sight, hearing, or certain signs, to perceive who a person is, Mat 14:35; Mar 6:54; Luk 24:16; Luk 24:31; Mar 6:33 (R T, but G WH marginal reading without the accusative); by attraction, τινα, ὅτι, Act 3:10; Act 4:13; τινα, his rank and authority, Mat 17:12; with the accusative of the thing, to recognize a thing to be what it really is: τήν φωνήν τοῦ Πέτρου, Act 12:14 τήν γῆν, Act 27:39.

b. to know equivalent to to perceive: τί, Luk 5:22; ἐν ἑαυτῷ, followed by the accusative of the thing with a participle (Buttmann, 301 (258)), Mar 5:30; followed by ὅτι, Luk 1:22; τῷ πνεύματι followed by ὅτι, Mar 2:8.

c. to know i. e. to find out, ascertain: namely, αὐτό, Act 9:30; followed by ὅτι, Luk 7:37; Luk 23:7; Act 19:34; Act 22:29; Act 24:11 L T Tr WH; ; τί, followed by an indirect question, Act 23:28 L T Tr WH; (δι’ ἥν αἰτίαν, etc. Act 22:24); παρά τίνος (the genitive of person) περί τίνος (the genitive of thing), Act 24:8.

d. to know i. e. to understand: Act 25:10. (From Homer down.)