Accepted beliefs

• Slangy tenets or doctrines
• Systems of principles
• Doctrines, informally
• Beliefs accepted by a group
• Distinctive practices
• Belief systems, for short
• Philosophies, perhaps
• Unspecified doctrines revealed in one’s writing
• Ways of viewing the world

Wiktionary Word definitions in Wiktionary
n. (plural of ism English)