A belief (or system of beliefs) accepted as authoritative by some group or school WordNet 3.0 & Open English WordNet

A school of thought, or intellectual tradition, is the perspective of a group of people who share common characteristics of opinion or outlook of a philosophy, discipline, belief, social movement, economics, cultural movement, or art movement. Wikipedia

Doctrine is a codification of beliefs or a body of teachings or instructions, taught principles or positions, as the essence of teachings in a given branch of knowledge or in a belief system. Wikipedia

A number of individuals with shared styles, approaches or aims Wikipedia Disambiguation

Perspective of a group of people who share common characteristics of opinion or outlook. Wikipedia Disambiguation

A collections of ideas that result from the adoption of a particular paradigm Wikipedia Disambiguation

Codification of beliefs Wikidata

Group of people sharing common outlook on an academic issue or field Wikidata

A policy, position or principle advocated, taught or put into effect concerning the acquisition and exercise of the power to govern or administrate in society. OmegaWiki

The academic discipline concerned with making explicit the nature and significance of ordinary and scientific beliefs and investigating the intelligibility of concepts by means of rational argument concerning their presuppositions, implications, and interrelationships; in particular, the rational investigation of the nature and structure of reality (metaphysics), the resources and limits of knowledge (epistemology), the principles and import of moral judgment (ethics), and the relationship between language and reality (semantics). OmegaWiki

The body of teachings of an ideology, most often a religion, or of an ideological or religious leader, organization, group or text. Wiktionary

An ideology, system of thought, or practice that can be described by a word ending in -ism. Wiktionary

Ideology, system of thought or practice. Wiktionary (translation)

A view or outlook regarding fundamental principles underlying some domain. Wiktionary

View regarding fundamental principles. Wiktionary (translation)