civil
US /ˈsɪv.əl/
UK /ˈsɪv.əl/

1.
of or relating to ordinary citizens and their concerns, as opposed to those of the military or the Church
:
•
The government is focused on civil liberties.
•
He works in civil engineering.
2.
courteous and polite
:
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Despite their disagreement, they remained civil with each other.
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Please try to be civil during the discussion.