hush
1. hush \'h*sh\ vb [back-formation fr. husht (hushed), fr. ME hussht, fr.
huisshtX, interj. 1: CALM, QUIET 2: to put at rest : QUELL 3: to keep
from public knowledge : SUPPRESS {~ the story u p} : to become quiet
2. hush aj archaic 1: SILENT, STILL 2: intended to prevent the
dissemination of certain information {~ money}
3. hush n : a silence or calm esp. following noise : QUIET
Webster's English Dictionary