TURN :

Curve : a line or outline which gradually deviates from being straight for some or all of its length.
Move : go in a specified direction or manner; change position.
Fabricate :concoct, mold, feign, excogitate, manufacture.
Shift :move or cause to move from one place to another, especially over a small distance.
Rotate :move or cause to move in a circle round an axis or centre.
Turn :move or cause to move in a circular direction wholly or partly around an axis or point.

Synonym of Turn is Rotate.