Observing formalities is a common practice in various walks of life, such as in official meetings, business communication, and social events. There are many synonyms for the phrase "observe formalities," such as complying with protocols, following rules and regulations, adhering to etiquette, and abiding by conventions. Other similar expressions include respecting protocols, observing decorum, adhering to ceremonial practices, and following appropriate customs. In essence, they all refer to showing appropriate behavior and respect for the rules and guidelines that govern different situations. Using varied synonyms for observing formalities can help speakers and writers add variety to their language and avoid repetition.