Dictionary entry

ὑπονοέω

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

** 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 13:2527:27.†