Formal courtesy is a polite gesture shown to someone, expressing respect and politeness. There are various synonyms for this term, such as decorum, protocol, civility, etiquette, manners, ceremony, amiability, gallantry, and chivalry. These words imply the art of embracing social norms and conventions, respecting others' feelings and opinions, and maintaining a high standard of courteous behavior. Some other synonyms include refinement, propriety, respectfulness, politesse, comity, and tactfulness. All these words attempt to define courteous behavior with a sense of elegance, style, and respectfulness, which is expected in formal social settings, such as official functions, high society events, and diplomatic gatherings.