The term "ceroplastic" refers to an object or artwork made out of wax. When searching for synonyms for this term, one might consider words that describe other types of sculptures or modeling materials. Synonyms could include words like "marble" for sculptures made from stone, "bronze" for cast metal works, or "clay" for modeling material. Another option could be to focus on descriptors for the end product, such as "figurine," "model," or "statue." However, it should be noted that "ceroplastic" refers specifically to works made from wax, so it may not be entirely interchangeable with these other terms.