Lexical Definition

‎συνεργέω‎ synergéō (soon-erg-eh'-o) to work with G:V
from ‎συνεργός‎

help (work) with, work(-er) together.

Usage: 5 forms in 5 verses
Form Translated As     In Verse(s)
συνεργοῦντοσ working with Mark.16.20
συνεργοῦντι is joining in the work 1Cor.16.16
συνεργεῖ works together Rom.8.28
συνήργει was working with Jas.2.22
Συνεργοῦντεσ Working together 2Cor.6.1

Abbott-Smith

** συνεργέω, -ῶ [in LXX: I Es 7:2, I Mac 12:1 * ;]
1. prop., to work together (with): absol., [20](/btb/interlinear/41%20-%20Mark/16/Mark.16.20.html)], I Co 16:16, II Co 6:1; c. dat., Ja 2:22; dat. commod., Ro 8:28, T, R, txt. (but v. infr.).
2. In Hellenistic writers (M, Pr., 65), trans., to cause to work together (cf. ICC, in l.): c. acc. rei, Ro 8:28 [WH] R, mg. (but v. supr.).†

Abbott-Smith References

Book Refs
Mark 16:20
Romans 8:28
1 Corinthians 16:16
2 Corinthians 6:1
James 2:22

Liddell-Scott-Jones

συνεργέω-έω,

perfect -ήργηκα[Refs 4th c.BC+] G.:—work together with, help in work, co-operate, [Refs 5th c.BC+]: generally, co-operate with, assist, with dative, [Refs 4th c.BC+]; [τὸ γυμνάσιον] ἀναδόσεσι σ. [Refs 2nd c.AD+], compare 463, 15.727; σ. ἑαυτοῖς τὰ συμφέροντα do one another fitting service, [Refs 5th c.BC+]; σ. πρός τι contribute to or towards.., [Refs 4th c.BC+]; facilitate, τὸν δρασμὸν τοῖς Πέρσαις [Refs 3rd c.AD+]:—passive, to be helped, with dative of things, [Refs 5th c.BC+]

__2 to be conspired against, [Refs 3rd c.BC+]