/ fəˈlɒsəfə(r); NAmE -ˈlɑːs-/ noun
1.
a person who studies or writes about philosophy :
the Greek philosopher Aristotle
2.
a person who thinks deeply about things :
He seems to be a bit of a philosopher.
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WORD ORIGIN
Middle English : from a variant of Old French philosophe , via Latin from Greek philosophos lover of wisdom, from philein to love + sophos wise.