1) Astute 2) Astute or shrewd 3) Cagey 4) Cagy 5) Careful 6) Clever 7) Exclusively Saxon word 8) Exclusively Anglo word 9) Nancy Cook is a wise type 10) Prudent 11) Sharp 12) Shrewd 13) Shrewd and clever 14) Smart 15) Street-smart 16) Thrifty 17) Word of purely Anglo origin 18) Word with Anglo-Saxon origins Found on https://www.crosswordclues.com/clue/canny