Plicating refers to folding or creasing something in a specific way. Some antonyms for plicating are expanding, extending, flattening, straightening, easing out, and stretching. These words refer to the opposite of folding or creasing and involve the act of making something bigger or longer. For instance, when we expand something, we increase its size and make it wider or thicker. When we straighten something, we remove any bends or creases and make it smooth and even. Hence, using antonyms of plicating in different contexts can help convey the opposite meaning and create more variation and clarity in communication.