noun
A loanword from English, used similarly to the native term 哲学 (てつがく) but often carries a slightly more Western or personal connotation, such as a guiding principle or worldview.
彼の経営フィロソフィーは「顧客第一」だ。
His management philosophy is 'customer first'.
この本は西洋フィロソフィーの入
This book is an introduction to Western philosophy.