coexistence
n.n. the situation where two or more different things exist together without causing problems. You use this when talking about people, animals, or ideas living or working in the same place.
n. the state of existing together in the same place or time without conflict. Often used in biological contexts to describe species sharing a habitat or in social contexts regarding different cultures or ideologies.
The two species have a peaceful coexistence in the forest.
The city's urban planning encourages the coexistence of modern skyscrapers and historic buildings.
The treaty was designed to ensure the peaceful coexistence of the two rival nations by establishing shared economic zones and mutual defense pacts.
From co- + existence.