/ Dictionary / Index P planning: Meaning and Definition of Find definitions for: plan•ning Pronunciation: (plan'ing), [key] — n. the act or process of making a plan or plans. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: planning (Thesaurus) planner plano Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language