Cavalcades, also known as a procession or parade, can be a magnificent sight to witness. However, if you're looking to add some variety to your vocabulary, there are plenty of synonyms to choose from. For instance, you might opt to use the word "march" to describe the movement and flow of a large group of individuals. Alternatively, you could use "pageant" to describe a more elaborate and theatrical display. Other possible synonyms for cavalcades include "processional," "parade," or "pomp." Ultimately, your choice of synonym may depend on the specific context and tone you're striving to convey in your writing or speech.