quieten


quieten (http://definr.com/quieten)

     v 1: become quiet or quieter; "The audience fell silent when the
          speaker entered" [syn: hush, quiet, quiesce, {quiet
          down}, pipe down] [ant: louden]
     2: make calm or still; "quiet the dragons of worry and fear"
        [syn: calm, calm down, quiet, tranquilize, tranquillize,
         tranquillise, lull, still] [ant: agitate]
     3: cause to be quiet or not talk; "Please silence the children
        in the church!" [syn: hush, silence, still, shut up,
         hush up] [ant: louden]