ὑποπτ-εύω · hypopt-euō — LSJ
to be suspicious, X. Hier. 2.17, Lys. 1.10; ὑ. ἔς τινας c. inf. fut., have suspicions of them that . . , Th. 4.51.
merely, suspect, guess, suppose, opp. ἱκανῶς συννοῶ, Pl. Tht. 164a, cf. X. HG 5.4.29; have an inkling of, Pl. Grg. 453b; ὁ ἵππος ὑ. τι X. Eq. 6.14:—Pass., to be conjectured, Pl. Lg. 967b.
trans., suspect, hold in suspicion, τινα S. El. 43, Th. 8.39; θὴρ ὑ. κυναγώς Theoc. 23.10; ὑ. τινὰ ἔς τι of something, Hdt. 3.44:—Pass., to be suspected, mistrusted, Th. 4.86; εἴς τι Id. 6.92, Arist. Rh.Al. 1437a1: impers., ὡς ὑπωπτεύετο as was generally suspected, X. HG 5.4.20.
c. acc. pers. et inf., suspect that he . . , ὑ. αὐτὸν δρησμὸν βουλεύειν Hdt. 8.100, cf. 127, Th. 4.126, Pl. Tht. 151b: c. inf. fut., ἄν τινας ὑποπτεύῃ μὴ ἐπιτρέψειν αὐτῷ ἄρχειν Id. R. 567a, cf. Hdt. 3.77: also ὑ. τινὰ ὡς . . suspect of him that . . , ib. 68; ὑ. μὴ . . Id. 9.90.
c. acc. rei, look with suspicion or apprehension on, τὸ πρῆγμα Id. 6.129; τὸ μέλλον E. Rh. 49 (lyr.): also ὑ. τι suspect something, Id. IT 1036, etc.; δεινὸν προσδοκᾶν ἢ ὑ. Epicur. Ep. 1p.30U.; τι περί τινος Pl. Cra. 409d; τι κατά τινος Plb. 8.20.2: c. acc. et inf., ἀλογώτατα ὑ. ἀεὶ λέγεσθαι Phld. Ir. p.44 W.
observe, notice, δεῖ ἀκριβῶς ὑποπτεύειν ἥτις ἐστὶν ἡ ποιητικὴ αἰτία (of a gout-attack) Alex.Trall. 12:—Med., τὸν ἄρρωστον ὑ. εἰ πάρεστι πυρετός Id. Verm. init.