ward off


ward off (http://definr.com/ward off)

     v 1: prevent the occurrence of; prevent from happening; "Let's
          avoid a confrontation"; "head off a confrontation";
          "avert a strike" [syn: debar, obviate, deflect, avert,
           head off, stave off, fend off, avoid]
     2: avert, turn away, or repel; "Ward off danger"