Synonyms for the term "sexual partner" vary depending on the context. Some common synonyms for sexual partner include lover, mate, paramour, companion, bedmate, fling, and significant other. In a more clinical context, terms such as sexual contact, coitus, intercourse, and sexual activity may be used. Other terms that may be associated with a sexual partner include one-night stand, booty call, and casual sex partner. It's important to note that these terms carry different connotations and may not always accurately reflect the complexity and nuances of a sexual partnership. It's always best to use language that is respectful and appropriate to the situation.