Clever :: Clever (a.) Possessing quickness of intellect, skill, dexterity, talent, or adroitness; expert..
Clever :: Clever (a.) Showing skill or adroitness in the doer or former; as, a clever speech; a clever trick..
Clever :: Clever (a.) Having fitness, propriety, or suitableness..
Clever :: Clever (a.) Good-natured; obliging.
Cleverness :: Cleverness (n.) The quality of being clever; skill; dexterity; adroitness.