Quick Definition
ἐπιβουλή, ῆς, ἡ n.f. a plot, design against
Strong's Definition
from a presumed compound of 1909 and 1014; a plan against someone, i.e. a plot
KJV Usage: laying (lying) in wait
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἐπι-βουλή, -ἢς, ἡ, α plan formed against one [οἵ. ἐπί, D. 7], a plot: Acts ix. 34; γίνεταί τινι ἐπιβουλὴ ὑπό τινος, Acts xx. 8; εἴς τινα, Acts xxiii. 30; plur. Acts xx. 19. (From [Idt.], Thue. down.)
Mounce Concise Greek Dictionary
ἐπιβουλή epiboulē 4x
a purpose or design against any one; conspiracy, plot, Acts 9:24; 20:3, 19; 23:30*
Abbott-Smith Greek Lexicon
ἐπι-βουλή, -ῆς, ἡ
[in LXX: Es 2:22, I Es 5:73, II Mac 5:7, al. ;]
a plan against, a plot: Ac 9:24 20:3, 19 23:30.†
Moulton & Milligan — Vocabulary of the Greek NT
ἐπιβουλή. For ἐ. = ‘‘plot’’ as gzater in Ac, cf. P Oxy ἘΠ 257). δι (A.D. 186) πρόφασις δέ ἐστιν ἐπιβουλῆς, ““α pretext for plotting against me’’ (Edd.), and 26. ἑτέρῳ ἐπέτρεψεν τὴν κατ᾽ ἐμοῦ ἐπιβουλήν. The verb is found in P Oxy III. 472° (c. A.D. 130) εἰ δ᾽ ἄρα τις καὶ ἐπεβούλευσεν αὐτῷ, ὁ vids ἐπιτηδειότατος, ‘‘ but if any one really plotted against him, his son is the most likely person ’’ (Edd.), BGU IV. 1024 iv. 10 (iv/v A.D.) σὺ δὲ ἐπεβούλευσας σώμα (1. σώματι) ἀλλοτρ[ι]ὼθέντι ὑπὸ τοῦ [γ]ένους τῶν ἀνθρώπων, and from the inscrr. Syll 510% (ii/B.c.) ὡς ἀπειθοῦντα καὶ ἐπιβουλεύοντα τοῖς συ(μ)φέρουσι τῆς πόλεως.
Liddell-Scott-Jones — Greek-English Lexicon
ἐπιβουλή (epiboulē) — plot. ἐπιβουλ-ή, ἡ, plan formed against another, plot, scheme, [Refs 5th c.BC+]; πρός τινα against one, [Refs 5th c.BC+] by treachery, treacherously, ἐξ ἐ. ἀποθανεῖν, ἐξ ἐ. φονεὺς εἶναι, [Refs 5th c.BC+] designedly, [Refs 5th c.BC+]