The Witches' Sabbath is a term used to describe a gathering of witches, which is often associated with dark magic and rituals. However, there are various synonyms that can be used to describe this event. For example, it can be referred to as a Witches' Circle, a Coven Meeting, or a Sabbat. These terms are often used by those who practice witchcraft and are more commonly accepted than the term "Witches' Sabbath". Furthermore, these synonyms are also used to describe gatherings that are not necessarily associated with dark magic but simply with the practice of witchcraft and spirituality. Overall, there are many terms that can be used to describe this event, and it ultimately depends on the individual's belief and practice.