uciszać in English:

In space is always hush.

There was a deathly hush after she made the announcement.

An eerie hush fell over the room.

eventually the King rose and everyone hushed.

... the national coffers to hush them up.

hush agreement

The victim of blackmail has been paying hush money for years, but now he realizes it is foolish, and he has decided not to pay a red cent more.

Hush!

Oh, hush!