Akademik

propriety
n. (pl. -ies)
1 fitness; rightness (doubt the propriety of refusing him).
2 correctness of behaviour or morals (highest standards of propriety).
3 (in pl.) the details or rules of correct conduct (must observe the proprieties).
Etymology: ME, = ownership, peculiarity f. OF proprieteacute PROPERTY

Useful english dictionary. 2012.