And the Parisian press, undaunted by a U.S. sense of propriety, has tried hard to figure out how attractive she may or may not be.
Therefore, whatever changes you want made along that line will be made for propriety, and propriety is a very inconstant thing.
Presidents and potential presidents have often been accused of crossing some line of propriety.
mid-15c., "proper character, disposition," from Old French proprieté "individuality, peculiarity; property" (12c.), from Latin proprietatem (nominative proprietas) "appropriateness," also "ownership" (see property). Meaning "fitness, appropriateness" is attested from 1610s; sense of "conformity to good manners" is from 1782.