A principle or set of principles laid down by an authority as incontrovertibly true. The church's dogma was followed by all its members without question.
A belief or set of beliefs that is accepted by the members of a group without being questioned or doubted. The political party's dogma was challenged by the new generation of leaders.
A doctrine or corpus of doctrines concerning faith or morals formally stated and authoritatively proclaimed by a church. The doctrine of papal infallibility became Catholic dogma in 1870.