(n.) The forms required by good breeding, or prescribed by authority, to be observed in social or official life; observance of the proprieties of rank and occasion; conventional decorum; ceremonial code of polite society.

amenities approbatory approving behavior bienseance bon ton civilities civility comity commendatory complimentary conduct conformity consuetude convenance convention conventional usage conventionalism conventionality correct deportment correctness courtesy courtliness custom decencies decency decorousness decorum deportment dignity diplomatic code discourtesy elegance elegancies encomiastic established way eulogistic exquisite manners fashion folkway form formalities formality good behavior good citizenship good form good manners laudatory manner manners misbehavior mores natural politeness observance panegyrical point of etiquette politeness politesse poor behavior practice praiseful praxis prescription proper thing proprieties propriety protocol punctilio quiet good manners ritual rules of conduct sanctioned behavior seemliness sociability social code social conduct social convention social graces social procedures social usage standard behavior standard usage standing custom time-honored practice tradition usage use way what is done wont wonting