The doctrine or political position that advocates establishment of a church as the official state religion; -- applied especially to the Church of England.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "establishmentarianism" in a sentence
"Once the substance had been entirely sucked out, all that was left was the bogus symbolism of anti-establishmentarianism and the hollow tropes of faux danger and commercialized dissent."
"Perhaps the greatest contribution of establishmentarianism in American history was to set its seal on the civil rights movement."
"Given this, the Reason/vulgar libertarian types, despite their infuriating establishmentarianism, hardly seem like the worst."