συναρμόζειν
From LSJ
κρεῖττον σιωπᾶν ἐστιν ἢ λαλεῖν μάτην → it's better to keep silence than to speak without reason (Menander)
Greek > English (Woodhouse Verbs Reversed)
(see also συναρμόζω): adapt, construct, fit, join, unite, close of another, fit together, piece together, shut the eyes