"Social propriety" refers to following certain conventions and rules in society that are considered appropriate or polite. It involves behaving in a manner that is socially acceptable and respectful to others. Full definition
He chafed against the limits of social propriety by welcoming prostitutes and adulterers, crooks and outcasts into his gracious presence. (religion-online.org)
Prim and proper and British all over, the drama begins with a single incident that ripples out to color the rest of their lives, sexual anxiety and social propriety in direct competition with one another. (rollingstone.com)
Discuss how Alice is frequently pulled between social propriety and Bohemian freedom? (bookbrowse.com)