Aristotle makes philosophy in the broad sense coextensive with reasoning, which he also would describe as "science".
ˈæɹɪstˌɑːɾəl mˌeɪks fɪlˈɑːsəfi ɪnðə bɹˈɔːd sˈɛns kˌoʊɛkstˈɛnsɪv wɪð ɹˈiːzənɪŋ, wˌɪtʃ hiː ˈɔːlsoʊ wʊd dᵻskɹˈaɪb æz "sˈaɪəns".