Synonyms for Ps and qs:

• n.

  •etiquette (noun)
  • decency,
  • decorum,
  • form,
  • mores,
  • courtesy,
  • convention,
  • formalities,
  • protocol,
  • rules,
  • proper behavior,
  • code,
  • usage,
  • propriety,
  • civility,
  • politesse,
  • seemliness,
  • amenities,
  • deportment,
  • dignity,
  • social graces,
  • customs,
  • p's and q's,
  • suavities.
  •formality (noun)
  • conventionalism,
  • correctness,
  • punctiliousness,
  • formalism,
  • ceremoniousness,
  • mummery,
  • honors.
  •good form (noun)
  • polites.
  •manners (noun)
  • good breeding,
  • good form,
  • demeanor,
  • conduct,
  • breeding,
  • culture,
  • taste,
  • politeness,
  • polish,
  • behavior,
  • refinement,
  • bearing,
  • sophistication,
  • etiquette,
  • elegance,
  • urbanity,
  • carriage,
  • comportment,
  • ceremony,
  • mien,
  • Civilities.
  •p's and q's (noun)
  • best behavior,
  • good behavior,
  • manners,
  • good example.
  •protocol (noun)
  • treaty,
  • concordat,
  • contract,
  • custom,
  • compact,
  • order,
  • agreement,
  • conventions,
  • obligation,
  • pact,
  • covenant.
  •punctilio (noun)
  • nicety,
  • formality.