Solutions French philosopher has 23 entries with similar clues

• 3-letter words
• lao... tzu, ancient chinese philosopher
• 4-letter words
• karlGerman philosopher Marx
• kantGerman philosopher
• stoaPhilosopher's porch
• 5-letter words
• platoAncient Greek philosopher
• baconPhilosopher
• 6-letter words
• sartreFrench philosopher, d. 1980
• mentorGuide, philosopher, and friend
• cognacFrench town (French brandy)
• 7-letter words
• alchemySearch for gold and philosopher's stone
• pasteurfrench chemist‘s gone over french street, heading north
• emersonAmerican poet and philosopher, d. 1882
• 8-letter words
• socratesgreek philosopher who died in 399 bc
• 9-letter words
• sophoclesAncient Greek philosopher
• descartesFrench philosopher, d. 1650
• aristotlePhilosopher's child left in a tower
• 10-letter words
• pythagorasGreek philosopher and mathematician, d. 500 BC
• zenoofeleaPhilosopher analyzed by Aristotle
• 11-letter words
• machiavelliItalian political philosopher, author of The Prince
• 12-letter words
• schopenhauerGerman philosopher, d. 1860
• 13-letter words
• devils-islandRocky island off the coast of French Guiana used as French prison colony
• francis-baconEnglish philosopher
• 16-letter words
• john-stuart-millEnglish philosopher and economist, d. 1873