/ Dictionary / Index B beneficiate: Meaning and Definition of Find definitions for: ben•e•fi•ci•ate Pronunciation: (ben"u-fish'ē-āt"), [key] — -at•ed, -at•ing. to treat (ore) to make more suitable for smelting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: beneficiate (Thesaurus) beneficiary benefit Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language