Anti-establishment cause (8)
I believe the answer is:
populism
(Other definitions for populism that I've seen before include "Political philosophy supporting the rights of ordinary people against the elite" , "Appealing to the masses" .)
I've seen this clue in The New York Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.