Source : Webster's Revised Unabridged Dictionary (1913)

Cannily \Can"ni*ly\, adv.
   In a canny manner. [N. of Eng. & Scot.]

Source : WordNet®

cannily
     adv : with foresight; "more presciently than they superiors, these
           workers grasped the economic situation" [syn: {presciently}]