Possessing quickness of intellect, skill, dexterity, talent, or adroitness; expert.

Showing skill or adroitness in the doer or former; as, a clever speech; a clever trick.

intelligent; having a quick mind; skillful

skillful (or showing skill) in adapting means to ends; "cool prudence and sensitive selfishness along with quick perception of what is possible--these distinguish an adroit politician"; "came up with a clever story"; "an ingenious press agent"; "an ingenious scheme"

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

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

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