"accepted belief" is a correct and usable phrase in written English.
It is used to refer to an idea or opinion that is held by the majority of people in a certain culture or society. For example, "The accepted belief is that conservation of natural resources is essential for the health of the planet."
The only widely accepted belief seems to be that someday such principles will be found.
This runs contrary to the widely accepted belief that South America was a very dry place back then.
The Eye of the Sheep is not literary in the commonly accepted belief of what literary means.
Their efforts gave yet another boost to the widely accepted belief that terrorists across Africa are killing elephants and selling the ivory to finance their attacks.
From the president on down there is an accepted belief in America — black and white — that African-American people, and African-American men, in particular, are lacking in the virtues in family, hard work, and citizenship.
But the rapid growth of car ownership in the 1950s and 60s spawned increasing anxiety around congestion and collision, leading to the widely accepted belief that people and cars should be segregated for the benefit of both.
A generic "sceptic" questions accepted beliefs.
As ancient philosophy and science developed, doubts arose about various basic, widely accepted beliefs about the world.
The individual experiencing anomie feels socially isolated and anxious; in a larger, societal context, generally accepted beliefs and standards of conduct are weakened or disappear.
South African officials today defended the right of maverick AIDS experts to be heard, and continued to speak skeptically of accepted beliefs about how the disease is transmitted.
The Protestant Work Ethic, or PWE, is the belief that a person can get ahead in life by working hard and it is one of the most widely shared and accepted beliefs in American society.
