Definition

phi·los·o·pher

(fi-los-i-fer)
n.
1. A student of or specialist in philosophy.
2. A person who lives and thinks according to a particular philosophy.
3. A person who is calm and rational under any circumstances.
[Middle English philosophre, from alteration of Old French philosophe, from Latin philosophus, from Greek philosophos, lover of wisdom, philosopher : philo-, philo- + sophi, knowledge, learning.]
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The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2003. Published by Houghton Mifflin Company. All rights reserved.
philosopher
Noun
1. a person who studies philosophy
2. a person who remains calm and stoical in the face of difficulties or disappointments