προκόπτειν
From LSJ
οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters
Greek > English (Woodhouse Verbs Reversed)
(see also προκόπτω): advance, improve, gain ground, make headway