Lexical Definition

‎ἐνεργέω‎ energéō (en-erg-eh'-o) be active G:V
from ‎ἐνεργής‎

do, (be) effectual (fervent), be mighty in, shew forth self, work (effectually in).

Usage: 15 forms in 24 verses
Form Translated As     In Verse(s)
ἐνηργεῖτο were at work Rom.7.5
ἐνεργῶν is working 1Cor.12.6
working Gal.3.5Phil.2.13
ἐνεργοῦσιν are working Matt.14.2
operate Mark.6.14
ἐνεργοῦντοσ working Eph.1.11Eph.2.2
ἐνεργουμένησ is operating 2Cor.1.6
ἐνεργουμένην is working Eph.3.20Col.1.29
ἐνεργουμένη being made effective Jas.5.16
working Gal.5.6
ἐνεργεῖται is working 2Thess.2.7
works 2Cor.4.121Thess.2.13
ἐνεργεῖν to work Phil.2.13
ἐνεργεῖ works 1Cor.12.11
ἐνεργήσασ having worked Gal.2.8
ἐνήργησεν He worked Eph.1.20
did Gal.2.8
ενεργών producing LXX.Prov.21.6
ενεργεί For she exacts energy LXX.Prov.31.12
ενήργησε exerted energy LXX.Isa.41.4

Abbott-Smith

ἐνεργέω, -ῶ [in LXX: Nu 8:24 B (עֲבֹדָה צְבׄא צָבָא ), Is 41:4, Pr 21:6 (פָּעַל), Pr 31:12 (גָּמַל), I Es 2:20, Wi 15:11 16:17 * ;] (for full lexical treatment, v. AR, Eph., 243 ff.);
1. intrans., to be at work or in action, to operate (opp. to ἀργέω): seq. ἐν, c. dat. pers., Mt 14:2, Mk 6:14, Eph 2:2; c. dat. pers., seq. εἰς (Lft., in l), Ga 2:8.
2. Trans., to work, effect, do: c. acc rei, I Co 12:11, Eph 1:11; id, seq. ἐν, c. dat. pers., I Co 12:6, Ga 3:5, Phl 2:13; ἐ. ἐνέργειαν, Eph 1:19, 20 Pass. (taken as mid. by Lft., Ga., 204 f.; but v. AR, Eph., l.c.; Milligan, Th., 28 f.; Mayor, Ja., 177 ff.), in NT, "always used of some principle or power at work" (Meyer), to be actuated, set in operation: II Th 2:7; seq. ἐν, Ro 7:5, II Co 1:6 4:12, Eph 3:20, Col 1:29, I Th 2:13; seq. διά, c. gen. rei, Ga 5:6; ἐνεργουμένη (M, Pr., 156), Ja 5:16 (Cremer, 262).†

Abbott-Smith References

Book Refs
Numbers 8:24
Proverbs 21:6 · 31:12
Isaiah 41:4
Matthew 14:2
Mark 6:14
Romans 7:5
1 Corinthians 12:6 · 12:11
2 Corinthians 1:6 · 4:12
Galatians 2:8 · 3:5 · 5:6
Ephesians 1:11 · 1:19 · 1:20 · 2:2 · 3:20
Philippians 2:13
Colossians 1:29
1 Thessalonians 2:13
2 Thessalonians 2:7
James 5:16

Liddell-Scott-Jones

ἐνεργέω-έω,

to be in action or activity, operate, [ἐνεργέωεῖς ποσὸν καὶ δυάδα 3rd c.AD: Plotinus Philosophus 6.6.16 ">Refs 4th c.BC+]; especially of divine or supernatural action, frequently in NT., τινί, ἔν τινι, [NT]:—middle, [NT]

__2 to be efficacious, of drugs, [Refs 1st c.AD+]; to be effective, of troops, ταῖς σαρίσαις [Refs 2nd c.AD+]:—passive, to be the object of action, [ἐνεργέωούμενος λίθος “IG” 7.3073.108 (Lebad.)">Refs 4th c.BC+]; also, to be actualized, [Refs 3rd c.AD+]
__II transitive, effect, execute, πάντα κατὰ δύναμιν [Refs 2nd c.BC+]:—passive, to be actively carried on, πόλεμος ἐνηργεῖτο [ἐνεργέωούμενα ">Refs 2nd c.BC+]things executed, [ἐνεργέωείσθω 2nd c.AD: Marcus Antoninus Imperator 4.2. ">Refs 2nd c.BC+]
__III in Medicine texts, of sexual intercourse, τὴν τοιαύτην πρᾶξιν -οῦσι μετρίως [Refs] in opere esse, [Refs 3rd c.BC+]
__IV operate, in surgery, [Refs 4th c.AD+]; ἐνεργέωῶν, ἐνεργέωούμενος, the surgeon, the patient, [Refs 2nd c.AD+]

LSJ Scripture Refs: Gal.2.8Matt.14.2Rom.7.5