civil

adjective:polite, courteous, and considerate in behavior or speech
- Despite their differences, the guests remained civil throughout the meeting.
adjective:non‑military; relating to the civilian sector or activities
- The government increased funding for civil infrastructure such as highways and bridges.
adjective:within a country; internal, as opposed to foreign
- The nation was torn apart by civil war.
noun:a civil case; a legal action dealing with private rights rather than criminal charges
- The lawsuit was a civil case about a breach of contract.