Polite
Part of speech: adjective
Definition: Well-mannered, civilized. Smooth, polished, burnished.
Example sentence: An armed society is a polite society. Manners are good when one may have to back up his acts with his life.
Civil
Part of speech: adjective
Definition: Having to do with people and government office as opposed to the military or religion.Behaving in a reasonable or polite manner.
Example sentence: It is impossible to struggle for civil rights, equal rights for blacks, without including whites. Because equal rights, fair play, justice, are all like the air: we all have it, or none of us has it. That is the truth of it.