ἀλέξεσθαι

From LSJ

νᾶφε καὶ μέμνασ' ἀπιστεῖν → keep a clear head and remember not to believe a thing (Epicharmus fr. 250)

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἀλέξω): defend oneself against, ward off from oneself, ward off