Mitres are a type of hat worn by religious figures like bishops and cardinals. There are many different synonyms for this word, depending on the context and language being used. In English, some commonly used synonyms include bishop's hat, pontifical hat, and crosier hat. In French, the term "mitre" is often translated as "mitre d'evêque," while in Spanish it may be called a "mitra." Other options in various languages might include words like "papal tiara," "episcopal miter," or "ornate head covering." Regardless of what term you use, it's clear that the mitre is an important symbol of religious office and power.