συμφέρεσθαι
From LSJ
νᾶφε καὶ μέμνασο ἀπιστεῖν → keep a clear head and remember not to believe a thing (Epicharmus fr. 250)
Greek > English (Woodhouse Verbs Reversed)
(see also συμφέρω): agree, happen, issue, occur, result, adapt oneself to, encounter in battle, meet in battle, turn out