πῶς δ' οὐκ ἀρίστη; τίς δ' ἐναντιώσεται; τί χρὴ γενέσθαι τὴν ὑπερβεβλημένην γυναῖκα; (Euripides' Alcestis 152-54) → How is she not noblest? Who will deny it? What must a woman have become to surpass her?
P. and V. βέβαιος, ἀκίνητος (Plato), καρτερός, P. μόνιμος, V. ἔμπεδος.
trustworthy: P. and V. βέβαιος, πιστός, ἀσφαλής, φερέγγυος (Thuc. but rare P.), P. ἀξιόπιστος.
be steadfast, v.: P. and V. καρτερεῖν.