A "mistress of ceremonies" is a term used to refer to a woman who hosts or presides over a formal event. However, there are several synonyms that can be used in place of this term, such as "emcee," "hostess," or "master of ceremonies." Other related terms that portray similar meanings may include "presenter," "facilitator," or "compere." These synonyms may be used interchangeably, depending on the event's nature and the host's level of authority or expertise. Ultimately, the choice between the different synonyms will depend on the preference of the individual or organization doing the hiring.