The word "pendulated" is a lesser known term used to describe something that swings back and forth like a pendulum. If you are looking for other words to describe this motion, "swung" is a simpler and more commonly used term. Other synonyms to consider include "oscillated," "swayed," "rocked," "swiveled," and "vibrated." Each of these words can add variety and interest to your writing while still accurately conveying the motion of the object in question. Whether you're describing the movement of a clock or the swaying of a tree branch, choosing the right synonym can help you paint a more vivid picture of your scene.