ἐμμειδιάω
From LSJ
Θεοὶ μὲν γὰρ μελλόντων, ἄνθρωποι δὲ γιγνομένων, σοφοὶ δὲ προσιόντων αἰσθάνονται → Because gods perceive future things, men what is happening now, but wise men perceive approaching things
English (LSJ)
A smile in, ὀφθαλμοῖς καὶ παρειαῖς Philostr.Ep.51; to be glad at, πρὸς τὰ ἴχνη, of hounds, X.Cyn.4.3.