n. code (of behaviour), form, convention, ceremony, formalities, protocol, rules, custom(s), decorum, propriety, politesse, politeness, courtesy, (good) manners, civility, seemliness Etiquette requires that you address me as 'Sir'
ETIQUETTE
Meaning of ETIQUETTE in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012