καθυπο-νοέω · kathypo-noeō — LSJ
suspect, harbour suspicions
suspect, c. acc. etinf., PRyl. 127.15 (i A.D.); harbour suspicions, εἴς τινα POxy. 1465.7 (i B.C.): c. acc., Iamb. Myst. 5.10: abs., Procl. in Prm. p.586 S.
II form a vague conception of, suppose, perceive, understand
form a vague conception of, τῷ γνωστῷ τὸ ἄγνωστον κ. Dam. Pr. 29: c. acc. et inf., suppose, Sor. 2.64; perceive, understand, πρὸς τίνος ἂν μάλιστα σῴζοιντο Phld. Rh. 2.18 S.