Astute
Pronunciation : As*tute"
Part of Speech : a.
Etymology : [L. astutus, fr. astus craft, cunning; perh. cognate with E. acute.]
Definition : Defn: Critically discerning; sagacious; shrewd; subtle; crafty.
Syn. -- Keen; eagle-eyed; penetrating; skilled; discriminating; cunning; sagacious; subtle; wily; crafty. As*tute"ly, adv. -- As*tute"ness, n.
Source : Webster's Unabridged Dictionary, 1913