Punctilio is a term that refers to a strict adherence to formalities, ETIQUETTE, and niceties. It is derived from the Latin word punctum, which means 'POINT' or 'DETAIL'. Punctilio is often used to describe a person's behavior that is overly formal or precise in order to maintain a certain level of politeness or respect. In other words, punctilio is a way of showing respect for the rules and conventions of society.