Noun

• S: (n) doctrine, philosophy, philosophical system, school of thought, ism (a belief (or system of beliefs) accepted as authoritative by some group or school)
• S: (n) philosophy (the rational investigation of questions about existence and knowledge and ethics)
• S: (n) philosophy (any personal belief about how to live or how to deal with a situation) "self-indulgence was his only philosophy"; "my father's philosophy of child-rearing was to let mother do it"