important
From LSJ
English > Greek (Woodhouse)
adjective
Of things: P. and V. μέγιστος, πολλοῦ ἄξιος, P. διάφορος.
Of persons or things: P. ἀξιόλογος; see eminent.
more important: P. and V. πρεσβύτερος (rare P.), Ar. and P. προὐργιαίτερος.
they considered their own interests more important: P. τὸ ἑαυτῶν προὐργιαίτερον ἐποιήσαντο (Thuc. 3, 109).
I think this is important for us: P. οἶμαι εἶναί τι ἡμῖν τοῦτο (Plato, Prologue353B).