'Cannily' definitions:

Definition of 'cannily'

adverb

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

From: GCIDE

Cannily \Can"ni*ly\, adv. In a canny manner. [N. of Eng. & Scot.] [1913 Webster]