The phrase "common conviction" is correct and usable in written English.
It can be used to refer to a widely held belief or opinion shared by a group of people.
Example: "There is a common conviction among the community that education is the key to success."
Alternatives: "shared belief" or "widely held opinion."
Contrary to common conviction, ethyl alcohol is not inherently the least toxic of alcohols.
The most common conviction was for drunk driving, followed by miscellaneous assaults and simple traffic offenses.
All the things that might be associated with one were present Sunday: 80 people drawn by a common conviction.
Nixon's high standing rests, in largest part, on the common conviction that the… Tells about the Dem.
There's a common conviction, for instance, that living with a pet teaches children skills they can use in their social interactions with other humans.
Americans went into battle armed against despair with the common conviction that the country that sent them there was worth their sacrifice.
The Bible and the Koran have several common convictions, including the irrefutable belief in a monotheistic God, Judgment Day and the existence of heaven and hell.
Despite their many common convictions, Condorcet and Turgot part ways on the question of religion.
Because of this, power is highly independent of material factors: it is sustained not by economic, bureaucratic or military means, but by the power of common convictions that result from a process of fair and unconstrained deliberation.
Time notes that although the groups and individuals of the violent right reflect a "complex web" of ideologies, "among the most common convictions is that the Second Amendment -- the right to keep and bear arms -- is the Constitution's cornerstone, because only a well-armed populace can enforce its rights".
Health care organizations (e.g. hospitals) with greater social capital can be characterized as having social relations between their members that are based on trust, mutual understanding, common convictions, and shared values.
