canny

Short definition from Wiktionary

Adjective

1. 1
   Careful, prudent, cautious.
2. 2
   Knowing, shrewd, astute.
3. 3
   Frugal, thrifty.
4. 4
   Friendly, pleasant, fair, agreeable; (sometimes) funny.
5. 5
   Gentle, quiet, steady.
6. 6
   pretty, quite, very.
7. 7
   Sounding as if it is coming through a tin can.

Adverb

1. 1
   Very, considerably; quite, rather.
2. 2
   Gently, quietly; carefully, skilfully.

Proper noun

1. 1
   A surname.