Synonyms for Diplomatic code:

• n.

  •code of conduct (noun)
  • custom,
  • protocol,
  • social codes,
  • manners,
  • guideline,
  • code of behavior,
  • formalities,
  • etiquette,
  • social procedure,
  • standard procedure,
  • social code,
  • social procedures,
  • decorum.
  •Other relevant words: (noun)
  • rules of conduct,
  • code of conduct.

• Other synonyms:

  •Other relevant words (noun):
  • civility,
  • good form,
  • good manners,
  • Proprieties,
  • convention,
  • social grace,
  • amenities,
  • politeness,
  • Decencies,
  • courtliness,
  • elegance,
  • mores.