shrug off

shrug off
    v 1: minimize the importance of, brush aside; "Jane shrugged off
         the news that her stock had fallen 3 points"
    

shrug off \shrug off\, v. t.
   To ignore; to disregard; to brush aside; to minimize[2] the
   effects of; as, to shrug off predictions of disaster.
   [PJC]
    

40 Moby Thesaurus words for "shrug off":
      abandon, belittle, brush aside, brush off, care nothing for,
      deprecate, depreciate, dismiss, disparage, drop the subject,
      forget, forget about it, forget it, lay aside, let it go, let slip,
      make light of, make little of, make nothing of, minimize,
      misestimate, misprize, not care, not mind, push aside, put aside,
      sell short, set aside, set at naught, set little by, sneeze at,
      think little of, think nothing of, thrust aside, turn away from,
      underestimate, underprize, underrate, underreckon, undervalue