/ Dictionary / Index R reference group: Meaning and Definition of Find definitions for: ref'erence group" Pronunciation: [key] — Sociol. Sociol. a group with which an individual identifies and whose values the individual accepts as guiding principles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reference frame reference mark Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language