mainstream
US /ˈmeɪn.striːm/
UK /ˈmeɪn.striːm/

1.
the ideas, attitudes, or activities that are regarded as normal or conventional; the dominant trend in opinion, music, fashion, etc.
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His music moved from the underground scene to the mainstream.
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The film was too experimental for the mainstream audience.
1.
regarded as normal, conventional, or popular
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She prefers listening to mainstream pop music.
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The artist's work became more mainstream after the exhibition.
1.
cause to adopt or be assimilated into the mainstream
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The goal is to mainstream sustainable practices in all industries.
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Efforts were made to mainstream children with special needs into regular schools.