"cleverest" in the adjective sense
1. cagey, cagy, canny, clever
showing self-interest and shrewdness in dealing with others
"a cagey lawyer"
"too clever to be sound"
2. apt, clever
mentally quick and resourceful
"an apt pupil"
"you are a clever man...you reason well and your wit is bold"-Bram Stoker
3. clever, cunning, ingenious
showing inventiveness and skill
"a clever gadget"
"the cunning maneuvers leading to his success"
"an ingenious solution to the problem"
Source: WordNet® (An amazing lexical database of English)
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