doctrinal
adj.adj. relating to a set of official beliefs or rules, especially in a religion or a political group. You use this to describe ideas that are considered official and must be followed.
adj. relating to a system of beliefs or principles, especially those established by an authority within a religious or political institution. Often used to describe the formal teaching of a church or the official policy of a state.
The church has strict doctrinal rules.
The new policy was criticized for being too doctrinal, as it left no room for local leaders to make their own decisions.
The theologian spent his career reconciling the ancient texts with the modern world, arguing that doctrinal rigidity was no longer compatible with contemporary social values.
The noun form was from French doctrinal; the adjective form was perhaps from Late Latin doctrīnālis, from doctrīna.