clever

Adjective

• showing inventiveness and skill
  • a clever gadget
    
  • the cunning maneuvers leading to his success
    
  • an ingenious solution to the problem
    

• mentally quick and resourceful
  • an apt pupil
    
  • you are a clever man...you reason well and your wit is bold-Bram Stoker
    

• showing self-interest and shrewdness in dealing with others
  • a cagey lawyer
    
  • too clever to be sound
    

Related words

• Synonyms: 
  cunning , ingenious , apt , cagey , cagy , canny