σύμψηφον λαμβάνειν

From LSJ

αἰὲν ἀριστεύειν καὶ ὑπείροχον ἔμμεναι ἄλλων → always strive for excellence and prevail over others (Iliad 6.208, 11.784)

Source

Greek > English (Woodhouse)

get as supporter of a resolution