κατασιωπάω

A. keep silence, Isoc. 8.38, Arist. Rh. 1413b7, J. Ap. 2.33, etc.; εἰδότες κ, Arist. Ath. 14.2; πρός τι D. 41.23.
2. c. acc. rei, keep silent, pass over, τὸ γεγονός D.S. 32.10:—Pass., Isoc. 4.27.
3. condemn by silence, πόλιν D.Chr. 32.98.
II. causal, make silent, silence, τὴν γυναῖκα X. HG 5.4.7, cf. Luc. Bis Acc. 17, Anach. 19, Dom. 16:—Med., cause silence, X. HG 2.4.20; κατασιωπήσασθαι διὰ τοῦ σαλπιγκτοῦ τὸν θόρυβον Plb. 18.46.9.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project