As*tute"ly

from The Collaborative International Dictionary of English v.0.48

Astute \As*tute"\, a. [L. astutus, fr. astus craft, cunning;
   perh. cognate with E. acute.]
   Critically discerning; sagacious; shrewd; subtle; crafty.
   [1913 Webster]

   Syn: Keen; eagle-eyed; penetrating; skilled; discriminating;
        cunning; sagacious; subtle; wily; crafty.
        [1913 Webster] {As*tute"ly}, adv. -- {As*tute"ness}, n.
        [1913 Webster]