There are various synonyms that can be used in place of the term "leader of ceremonies." One common synonym is "emcee," short for "master of ceremonies." Another alternative is "compere," which is a term more commonly used in British English. Other possible synonyms include "host," "presenter," "facilitator," "ringmaster," or "conductor." Each of these terms carries slightly different connotations, but all refer to someone who is responsible for leading and directing formal events or performances. Whether it's a wedding, a graduation ceremony, or an awards show, a skilled leader of ceremonies can set the tone and help ensure that the event runs smoothly and is enjoyed by all attendees.