philosophy in WordNet English dictionary

1. a belief (or system of beliefs) accepted as authoritative by some group or school
   doctrine  philosophy  philosophical system  school of thought  ism 
   
2. the rational investigation of questions about existence and knowledge and ethics
   philosophy 
   
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"
   philosophy