What is a word that means the big pool of ideas/beliefs that most of the people think most of the time, or that groups/subsets think/believe?

Gestalt is the Big Picture, the gist, a meme is an infectious idea... doctrine is a set, standardized set of beliefs, and the framework within which ideas can rattle around... so what is an encampment of ideas, not so much formalized, but adopted en masse when something sounds good. The whole Flat Earth thing got... show more Gestalt is the Big Picture, the gist, a meme is an infectious idea... doctrine is a set, standardized set of beliefs, and the framework within which ideas can rattle around... so what is an encampment of ideas, not so much formalized, but adopted en masse when something sounds good. The whole Flat Earth thing got me to thinking; to me it sounds like a thought experiment proposed by some university professor who said to his class, "Without using GPS, satellite photos, or any of this 20th/21st century stuff, prove that the Earth is not flat." And, it's as though a cub scout master said to his troop, "Try to start a fire by rubbing two sticks together." and THAT'S what started the CA wildfires.
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