etiquette: Meaning and Definition of

et•i•quette

1. conventional requirements as to social behavior; proprieties of conduct as established in any class or community or for any occasion.
2. a prescribed or accepted code of usage in matters of ceremony, as at a court or in official or other formal observances.
3. the code of ethical behavior regarding professional practice or action among the members of a profession in their dealings with each other: medical etiquette.