Lexical Definition

‎ὑποβάλλω‎ hypobállō (hoop-ob-al'-lo) to instigate ^G:V
from ‎ὑπό‎ and ‎βάλλω‎

suborn.

• to throw in stealthily, i.e. introduce by collusion

Abbott-Smith

** ὑπο-βάλλω [in LXX: Da TH 3:9 A, I Es 2:18 * ;]
to throw or put under. Metaph.,
(a) to subject, submit;
(b) to suggest, whisper, prompt;
(c) to suborn (v. Field, Notes, 113), instigate: c. acc pers., Ac 6:11.†

Abbott-Smith References

Liddell-Scott-Jones

ὑποβάλλω

(Epic dialect ὑββάλλω, see below). throw, put, or lay under, as cloths, carpets, and the like, ὑπένερθε δὲ λῖθ᾽ ὑπέβαλλεν [Refs 8th c.BC+]; κάτω μὲν ὑποβαλεῖτε τῶν Μιλησίων ἐρίων carpets of Milesian wool, [Refs 5th c.BC+]; ὑ. αἶγας τοῖς τράγοις, of breeders, [Refs 1st c.AD+]; ὑ. τινὰς τοῖς θηρίοις throw them under the elephants' feet, [Refs 2nd c.BC+]; ὑ. τοὺς δακτύλους, of a flute-player, put down, [Refs 2nd c.AD+]; ὑ. [φάρμακον] ὑπὸ τὰ βλέφαρα insert under the eyelids, [Refs 4th c.AD+]; τοῖς φορείοις τῶν γυναικῶν ὑ. τὰ ὄμματα cast furtive glances at, [Refs 1st c.AD+]:—middle and passive, place under oneself or have placed under one, λυκοφάνους ὑποβάλλεσθαι [Refs 1st c.AD+]

__2 lay under, as a beginning, foundation, [Refs 4th c.BC+]:—in middle, θεμέλιον ὑ. τυραννίδος [Refs 2nd c.BC+]; ὁ πρῶτος ὑποβεβλημένος the first founder, [Refs 1st c.BC+]
__3 subject, submit, ἐχθροῖς ἐμαυτόν [Refs 5th c.BC+]
__II middle, bring in another's child as one's own, [Refs 5th c.BC+]; or palm off one's own child as another's, ἡ ὑποβεβλημένη τὸν αὑτῆς υἱόν [Refs 4th c.BC+] —passive, τῶν ὑποβαλλομένων (i.e. παίδων) [Refs]:—the origin of this phrase is plain from the words of [Refs 5th c.BC+]; see at {ὑποβολιμαῖος}.
__II.2 middle, of a drama, [Εὐριπίδης] τὸ δρᾶμα (i.e. Μήδειαν) δοκεῖ ὑποβαλέσθαι [Refs 4th c.BC+] with false suggestions they spread secret rumours, [Refs 5th c.BC+]
__II.3 suborn, [NT]:—passive, of an informer, [Refs 2nd c.AD+]
__III suggest, whisper, as a prompter does, ἑσταότος μὲν καλὸν ἀκούειν, οὐδὲ ἔοικεν ὑββάλλειν [Refs 8th c.BC+] (where Scholia B explanation it to interrupt); ὑποβαλεῖν δυνήσεσθε, ἤν τι ἐπιλανθάνωνται [Refs 5th c.BC+]dictate, [Refs 5th c.BC+]; ὑ. ὀνόματα, of an informer, [Refs 5th c.BC+]; so, provoke, produce, [Refs]
__IV middle, appropriate to oneself, ἀλλότρια [Refs 1st c.BC+]
__IV.2 attempt a work, σύνταξιν καὶ ἱστορίαν [Refs]

_{LSJ Scripture Refs: Acts.6.11}