clever

adjective

1. 1

   showing inventiveness and skill

   a clever gadget

   the cunning maneuvers leading to his success

2. 2

   showing self-interest and shrewdness in dealing with others

   a cagey lawyer

   too clever to be sound

3. 3

   mentally quick and resourceful

   an apt pupil

   you are a clever man...you reason well and your wit is bold"-Bram Stoker