Pulling on is a phrasal verb that means to apply force in order to move or stretch something. The word "pulling on" can be replaced with several synonyms depending on the context and the desired level of formality or specificity. Some possible synonyms for pulling on include tugging, hauling, yanking, dragging, heaving, wrenching, tautening, tightening, stretching, and straining. Each of these words conveys a slightly different connotation, such as the direction or intensity of the force, or the resistance or compliance of the object being pulled. Choosing the right synonym for pulling on can make your writing more precise and engaging.