etiquette ET-i-kit noun WS #16

the customary code of polite behavior in society or among members of a particular profession or group; conventional requirements as to social behavior

1. Social media etiquette suggests avoiding controversial topics in professional posts.
2. Proper etiquette requires that you turn off your phone during the theater performance.
3. She studied business etiquette before attending the important corporate dinner.
4. The diplomat was well-versed in international etiquette and protocol.
5. Wedding etiquette dictates that guests should arrive on time and dress appropriately.