θεσπιῳδεῖν
From LSJ
κρεῖττον εἶναι φιλοσόφως ἀποθανεῖν ἢ ἀφιλοσόφως ζῆν → that it is better to die in manner befitting a philosopher than to live unphilosophically
Greek > English (Woodhouse Verbs Reversed)
(see also θεσπιῳδέω): predict by oracles, prophesy by oracles