PROPRIETY
propriety, properness, correctitude
(noun) correct or appropriate behavior
Source: WordNet® 3.1
Etymology
Noun
propriety (countable and uncountable, plural proprieties)
(obsolete) The particular character or essence of someone or something; individuality. [15th-20th c.]
(obsolete) A characteristic; an attribute. [15th-20th c.]
(now rare) A piece of land owned by someone; someone's property. [from 16th c.]
(obsolete) More generally, something owned by someone; a possession. [16th-19th c.]
The fact of possessing something; ownership. [from 16th c.]
(now rare) Correct language or pronunciation. [from 17th c.]
Suitability, fitness; the quality of being appropriate. [from 18th c.]
(often, in the plural) Correctness in behaviour and morals; good manners, seemliness. [from 19th c.]
Source: Wiktionary
Pro*pri"e*ty, n.; pl. Proprieties. Etym: [F. propriété, L.
proprietas, fr. proprius one's own, proper. See Property, Proper.]
1. Individual right to hold property; ownership by personal title;
property. [Obs.] "Onles this propriety be exiled." Robynson (More's
Utopia).
So are the proprieties of a wife to be disposed of by her lord, and
yet all are for her provisions, it being a part of his need to
refresh and supply hers. Jer. Taylor.
2. That which is proper or peculiar; an inherent property or quality;
peculiarity. [Obs.] Bacon.
We find no mention hereof in ancient zoögraphers, . . . who seldom
forget proprieties of such a nature. Sir T. Browne.
3. The quality or state of being proper; suitableness to an
acknowledged or correct standard or rule; consonance with established
principles, rules, or customs; fitness; appropriateness; as,
propriety of behavior, language, manners, etc. "The rule of
propriety," Locke.
Source: Webster’s Unabridged Dictionary 1913 Edition