English to English
1. a belief (or system of beliefs) accepted as authoritative by some group or school
2. the rational investigation of questions about existence and knowledge and ethics
3. 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
4. Literally, the love of, including the search after, wisdom; in actual usage, the knowledge of phenomena as explained by, and resolved into, causes and reasons, powers and laws.