(n.) Plural of Decency.

amenities appropriateness civilities civility comity convention correctitude correctness courtliness decency decorousness decorum diplomatic code elegance elegancies etiquette exquisite manners fitness fittingness formalities good form good manners goodness manners mores natural politeness niceness normality normativeness point of etiquette politeness politesse properness proprieties propriety protocol punctilio quiet good manners righteousness rightness rules of conduct seemliness social code social conduct social graces social procedures social usage suitability