mystify
     v 1: be a mystery or bewildering to; "This beats me!"; "Got me--I
          don't know the answer!"; "a vexing problem"; "This
          question really stuck me" [syn: {perplex}, {vex}, {stick},
           {get}, {puzzle}, {baffle}, {beat}, {pose}, {bewilder},
          {flummox}, {stupefy}, {nonplus}, {gravel}, {amaze}, {dumbfound}]
     2: make mysterious; "mystify the story" [ant: {demystify}]
     [also: {mystified}]
Source: WordNet® 2.0