1 civilian, non-military, lay, laic, laical, secular:
There is a distinction between civil law and canon law.
2 domestic, internal; public:
The economic conditions have led to civil strife.
3 polite, courteous, respectful, well-mannered, proper, civilized, cordial, formal, courtly, urbane, polished, refined:
They are civil enough, but I always have the feeling they really despise tourists.