The adj clever has 4 senses (first 3 from tagged texts)
1. (3) adroit, clever, ingenious -- (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")
2. (2) cagey, cagy, canny, clever -- (showing self-interest and shrewdness in dealing with others; "a cagey lawyer"; "too clever to be sound")
3. (1) apt, clever -- (mentally quick and resourceful; "an apt pupil"; "you are a clever man...you reason well and your wit is bold"-Bram Stoker)
4. clever, cunning, ingenious -- (showing inventiveness and skill; "a clever gadget"; "the cunning maneuvers leading to his success"; "an ingenious solution to the problem")