Lexical Definition

‎ὑπονοέω‎ hyponoéō (hoop-on-o-eh'-o) to suppose G:V
from ‎ὑπό‎ and ‎νοιέω‎

think, suppose, deem.

Usage: 3 forms in 4 verses
Form Translated As     In Verse(s)
ὑπονοεῖτε do you suppose Acts.13.25
ὑπενόουν was suspect Acts.25.18
were sensing Acts.27.27
υπονοήσει shall be of the opinion LXX.Dan.7.25

Abbott-Smith

** ὑπο-νοέω, -ῶ [in LXX: Da TH 7:25 (סְבַר), To 8:16, Jth 14:14, Si 23:21 * ;]
to suspect, conjecture: Ac 25:18; c. acc et inf., Ac 13:25 27:27.†

Abbott-Smith References

Book Refs
Daniel 7:25
Acts 13:25 · 25:18 · 27:27

Liddell-Scott-Jones

ὑπονοέω-έω,

suspect, τι [Refs 5th c.BC+] O.: with accusative person et infinitive, ὑπονοέωήσαντες τοὺς Σαμίους τὰ τῶν Ἑλλήνων φρονέειν [Refs 5th c.BC+]; . εἶναί τι θεῖον (variant{θεόν}) [Refs 5th c.BC+]; τῶν λεγόντων ὑπενοεῖτε.., ὡς λέγουσι you felt suspicious of the speakers, thinking that.., [Refs 5th c.BC+]; . τὰ λεγόμενα watch my words captiously, [Refs 5th c.BC+]

__II surmise, conjecture, guess at, [Refs 5th c.BC+]: with accusative et infinitive, . ὧδ᾽ ἔχειν τι [ὑπονοέωοῦντες προαρπάζειν ">Refs 5th c.BC+]by conjecture, [ὑπονοέωοῦμεν πάντες ἢ πιστεύομεν 4th-3rd c.BC: Menander Comicus 261 ">Refs 5th c.BC+]; ἐάσας ὑπονοέωεῖν εἰς τοὔνομα leaving us to guess at.., [Refs 2nd c.AD+]
__III simply, suppose, consider, τινὰ μακαρίως ἐζηκέναι [Refs 1st c.BC+]:—passive, -νοούμενος ἅπαντα γινώσκειν [Refs]
__IV middle in signification [Refs 3rd c.AD+]