mainstream

verb

Pronunciation: /meɪn.stɹiːm/

Etymology: From main + stream. Cognate with Icelandic meginstraumur (“a main current, mainstream”).

Used or accepted broadly rather than by small portions of population, market, scientific community, etc.
“They often carry stories you won't find in the mainstream media.”
“As unsubstantiated claims receive significant backing, skeptics and defenders of mainstream science enter the fray.”

Etymology: From main + stream. Cognate with Icelandic meginstraumur (“a main current, mainstream”).

The principal current in a flow, such as a river or flow of air
That which is common; the norm.
“ideas outside of the mainstream”
“George Herbert Walker Bush of Phillips Andover Academy and Yale University proclaimed in the first Presidential candidates' debate that he was “in touch with the mainstream of America.””

Etymology: From main + stream. Cognate with Icelandic meginstraumur (“a main current, mainstream”).

To popularize, to normalize, to render mainstream.
“Just as the gang peace movement desired to mainstream hardcore bangers into civic society, The Chronic wanted to drive hardcore rap into the popstream.”
“Acknowledging the role X plays in mainstreaming the worst constituencies makes for awkward conversations with those who continue to use it.”
To become mainstream.
“In a nonchurch context, we can look more explicitly at formerly New Age practices to see if and how they have mainstreamed.”
To educate (a disabled student) together with non-disabled students.
“Despite these beliefs, the decision to send my son to a regular school was not made easily. I didn't know of any child as disabled as he who had been mainstreamed.”