(n)fold, crease, plication, flexure, crimp, bendan angular or rounded shape made by folding“a fold in the napkin”, “a crease in his trousers”, “a plication on her blouse”, “a flexure of the colon”, “a bend of his elbow”
(n)wrinkle, furrow, crease, crinkle, seam, linea slight depression or fold in the smoothness of a surface“his face has many lines”, “ironing gets rid of most wrinkles”
(v)wrinkle, ruckle, crease, crinkle, scrunch, scrunch up, crispmake wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic“The dress got wrinkled”, “crease the paper like this to make a crane”