We have put together a list of words that are similar to MAINSTREAM.

1 Alternative Words Similar to mainstream

1 Thought Noun      Synonym Words Like Thought

5 definitions of mainstream

1 Used or accepted broadly rather than by a tiny fraction of a population or market.
2 That which is common; the norm.
3 To educate (a disabled student) together with non-disabled students.
4 To popularize, to normalize, to render mainstream.
5 the prevailing current of thought
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Wordnik, Wiktionary, Century, American Heritage, Gcide