hoodwink

Verb

• conceal one's true motives from especially by elaborately feigning good intentions so as to gain an end
  • He bamboozled his professors into thinking that he knew the subject well
    

• influence by slyness

Related words

• Synonyms: 
  bamboozle , snow , pull the wool over someone's eyes , lead by the nose , play false , juggle , beguile