MAINSTREAM
mainstream
(noun) the prevailing current of thought; “his thinking was in the American mainstream”
Source: WordNet® 3.1
Etymology
Adjective
mainstream (comparative more mainstream, superlative most mainstream)
Used or accepted broadly rather than by small portions of a population or market.
Synonyms
• (used or accepted broadly): common, usual, widespread, conventional
Antonyms
• fringe
Noun
mainstream (plural mainstreams)
The principal current in a flow, such as a river or flow of air
(usually, with the) That which is common; the norm.
Verb
mainstream (third-person singular simple present mainstreams, present participle mainstreaming, simple past and past participle mainstreamed)
(transitive) To popularize, to normalize, to render mainstream.
(intransitive) To become mainstream.
(transitive, education) To educate (a disabled student) together with non-disabled students.
Source: Wiktionary