As·tute a. 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.
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astutely
adv : in a shrewd manner; "he invested his fortune astutely" [syn:
shrewdly, sagaciously, sapiently]