Akademik

canny
adj. (cannier, canniest)
1 a shrewd, worldly-wise. b thrifty. c circumspect.
2 sly, drily humorous.
3 Sc. & N.Engl. pleasant, agreeable.
Derivatives:
cannily adv. canniness n.
Etymology: CAN(1) (in sense 'know') + -Y(1)

Useful english dictionary. 2012.