turn:

3 a : to reverse the sides or surfaces of : invert <turn pancakes> <turn the shirt inside out>: as (1) : to dig or plow so as to bring the lower soil to the surface <turn the compost weekly> (2) : to make (as a garment) over by reversing the material and resewing <turn a collar> (3) : to invert feet up and face down (as a character, rule, or slug) in setting type
b : to reverse or upset the order or disposition of <everything was turned topsy-turvy>
c : to disturb or upset the mental balance of : derange, unsettle <a mind turned by grief>
d : to set in another especially contrary direction