/ Dictionary / Index A apperceive: Meaning and Definition of Find definitions for: ap•per•ceive Pronunciation: (ap"ur-sēv'), [key] — -ceived, -ceiv•ing. to have conscious perception of; comprehend. to comprehend (a new idea) by assimilation with the sum of one's previous knowledge and experience. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: apperceive (Thesaurus) Appenzell Inner Rhoden apperception Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language