/ Dictionary / Index S synthetic philosophy: Meaning and Definition of Find definitions for: synthet'ic philos'ophy Pronunciation: [key] the philosophy of Herbert Spencer, intended as a synthesis of all the sciences. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. synthetic geometry synthetic rubber Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language