civilization
US /ˌsɪv.əl.əˈzeɪ.ʃən/
UK /ˌsɪv.əl.əˈzeɪ.ʃən/

1.
the stage of human social development and organization that is considered most advanced.
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Ancient Egypt was a highly advanced civilization.
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The collapse of the Roman civilization led to a period of decline.
2.
the process of civilizing or being civilized.
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The civilization of nomadic tribes often involved settled agriculture.
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Education is key to the civilization of society.