προσμειδιάω
From LSJ
Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
English (LSJ)
A smile upon, τινι Plu.2.821f, etc.; εὑρησιλογίαις ib. 28a; αὐτοῖς ἡ Τύχη -εμειδίασε Chor.Brum.6: abs., Luc.Merc.Cond.7, 16.