shush

Naomi gripped the bar, glancing back and forth between her hands and making “shush” noises to focus.

When Barack Obama tried to shush "loose talk of war," he got as much traction as a vicar giving a sermon during a soccer riot.

I listened, and sure enough I heard the shush, shush of something moving in the dead leaves and dry grass a little distance away.

For once, Pelton didn't shush him; that was too close to his own attitude, at least in family-breakfast-table terminology.

I was just about to say he could when again that shush, shush!

The orderly stopped pushing his chair and the nurse rushed forward to shush them sternly, but it barely dampened the calls.

Den he would pull me away—dis great, dark devil, mit his enormous paws shush as if I was a child.