permissible
From LSJ
νοεῖν γάρ ἐστι κρεῖττον καὶ σιγὴν ἔχειν → it's better, you see, to understand and yet say nothing (Menander)
English > Greek (Woodhouse)
adjective
lawful: P. and V. ἔννομος, νόμιμος.
permitted by divine law: P. and V. ὅσιος.
it is permissible: P. and V. θέμις ἐστί (or omit ἐστί) (rare P.), ὅσιον, ἔξεστι, πάρεστι, πάρα, παρείκει, P. ἐγχωρεῖ. Ar. and P. ἐγγίγνεται, ἐκγίγνεται.
it is not permissible for you to kill him: V. οὐκ ἔστ' ἀνυστὸν τόνδε σοὶ κατακτανεῖν (Euripides, Heraclidae 961).