Succussing is an uncommon word, and many people may not be familiar with its meaning. It refers to shaking or jolting something vigorously, usually to mix or blend its contents. There are several synonyms that can be used in its place, including agitate, shake, stir, jostle, and toss. These words convey a sense of movement and disturbance, similar to succussing. Additionally, words like blend, mix, and combine can also be used to describe the action of succussing, as they imply the idea of bringing various elements together into a cohesive whole. Whatever the context, using synonyms for succussing can help to communicate the intended meaning more effectively and succinctly.