Propriety of manner or conduct; grace arising from suitableness of speech and behavior to one's own character, or to the place and occasion; decency of conduct; seemliness; that which is seemly or suitable.
A standard of appropriateness drawn from classical models and nature. Often equated with social custom, good sense and reason. Also associated with propriety, good taste, and manners.
Proper order, etiquette and conduct of members during a floor session.