Politeness
rude Unmannerly, uncivilized , brutish, crude,
Manners are 'les manières' in French. A good synonym would be façon (fem), or comportement, or agissements (usually plural)
politeness, good manners, civility, gallantry, graciousness, affability, urbanity, favour, kindness, indulgence
good manners, affability, chivalry, civility, consideration, cordiality, courteousness, courtliness, friendliness, gallantry, geniality, good behavior, good breeding, politeness, refinement, tact, thoughtfulness
civilization, manners
good manners=behavior
Propriety means conformity to established standards of good or proper behavior or manners, appropriateness to the purpose or circumstance or rightness and justice. A synonym of propriety is appropriateness.
That depends on the people with whom one associates. Many have no idea what good manners are or how they would act in polite society. For them, good manners mean nothing. For people who understand manners and courtesy, yes; manners are "in".
The name for good manners is 'Etiquette.'
There is no single accepted code of good manners because good manners, or etiquette, depends on both the culture and situation.
good manners form an important of our cvilization
for the good manners in the school. don't ever yell at your techer