conventional requirements as to social behavior; proprieties of conduct as established in any class or community or for any occasion.

a prescribed or accepted code of usage in matters of ceremony, as at a court or in official or other formal observances.

the code of ethical behavior regarding professional practice or action among the members of a profession in their dealings with each other

medical etiquette.

noun

bad manners

noun

amenities , civility , code , convention , courtesy , customs , decency , decorum , deportment , dignity , form , formalities , good behavior , mores , politesse , proper behavior , propriety , protocol , p’s and q’s , rules , seemliness , social graces , suavities , usage , good form , p\'s and q\'s , behavior , ceremony , conduct , conventionality , formality , manners , politeness , punctilio