Lexical Definition

‎ἐπιγινώσκω‎ epiginṓskō (ep-ig-in-oce'-ko) to come to know ^G:V
from ‎ἐπί‎ and ‎γινώσκω‎

(ac-, have, take)know(-ledge, well), perceive.

• to know upon some mark, i.e. recognize
• by implication, to become fully acquainted with, to acknowledge

Abbott-Smith

ἐπι-γινώσκω [in LXX chiefly for נָכַר: hi., also for יָדַע, etc. ;]
"directive" of γινώσκω (AR, Eph., 249), as in cl.;
1. to observe, perceive, discern, recognize;
(a) absol.: Ac 25:10, I Co 13:12; seq. ὅτι, Lk 1:22; τ. πνεύματι, seq. ὅτι, Mk 2:8;
(b) c. acc rei: Lk 1:4 5:22, Ac 12:14 27:39, Ro 1:32, II Co 1:13, Col 1:6, I Ti 4:3; ἐν ἐαυτῷ, Mk 5:30; seq. ὅτι, I Co 14:37;
(c) c. acc pers.: Mt 11:27 14:35 17:12, Mk 6:33 (T, αὐτούς, but LTr., WH, R, omit the pron., and LTr., WH, txt., read ἔγνωσαν), ib. 54, Lk 24:16, 31, I Co 16:18, II Co 1:14; seq. ἀπό, c. gen. rei, Mt 7:16, 20; seq. ὅτι, Ac 3:10 4:13, II Co 13:5; pass., I Co 13:12; opp. to ἀγνοούμενοι, II Co 6:9.
2. to discover, ascertain, determine: Ac 9:30; seq. ὅτι, Lk 7:37 23:7, Ac 19:34 22:29 24:11 28:1; c. acc rei, seq. quæst., Ac 23:28; δι’ ἣν αἰτίαν, Ac 22:24; παρά, c. gen. pers., seq. περί, c. gen. rei, Ac 24:8; τ. ὁδὸν τῆς δικαιοσύνης, II Pe 2:21 (cf. Lft., Col., 136; Cremer, 159; M, Pr., 113; AR, Eph., 248 ff.).†

Abbott-Smith References

Liddell-Scott-Jones

ἐπιγινώσκω,

Ionic dialect and laterἐπιγενν-γῑνώσκω, look upon, witness, observe, [Refs 8th c.BC+]

__II. recognize, [Refs 8th c.BC+]; ὅπως μήτηρ σε μὴ 'πιγνώσεται φαιδρῷ προσώπῳ by thy glad face, [Refs 5th c.BC+]
__II.2. of things, find out, discover, [Refs 5th c.BC+]; ἐπιγνοίης ἂν αὐτὴν [τὴν σοφίαν].. οἰκείαν γενομένη; would you recognize when it became your own?, [LXX+5th c.BC+]passive, [Refs 3rd c.BC+]
__II.2.b. find out too late, [Refs 2nd c.AD+]
__II.3. learn to know, [Refs 5th c.BC+] (Lyric poetry).
__II.4. take notice of, [LXX]
__II.4.b. show favour to, πρόσωπον [LXX]
__III. come to a judgement, decide, [Refs 5th c.BC+]; τὰ πρόσφορα τοῖς [Refs]; ἐπιγνῶναι μηδέν come to no new resolve, [Refs] adjudicate it as his property, [Refs 1st c.BC+]
__IV. recongnize, acknowledge, approve, [NT+4th c.BC+].
__IV.2. recognize an obligation, undertake to discharge or deliver, [Refs 4th c.AD+]

_{LSJ Scripture Refs: LXX.Gen.37.32 ☩ LXX.Ruth.2.10 ☩ LXX.Deut.16.19 ☩ 1Cor.16.18}