mainstream
adjective
°Purchased, used or accepted broadly rather than by a tiny fraction of population or market; common, usual or conventional.
"They often carry stories you won't find in the mainstream media."
noun
°That which is common; the norm.
"His ideas were well outside the mainstream, but he presented them intelligently, and we were impressed if not convinced."
verb
°To educate (a disabled student) together with non-disabled students.
"Mainstreaming has become more common in recent years, as studies have shown that many mainstreamed students with mild learning disabilities learn better than their non-mainstreamed counterparts."
°To popularize, to normalize, to render mainstream.