/ Dictionary / Index C companionate: Meaning and Definition of Find definitions for: com•pan•ion•ate Pronunciation: (kum-pan'yu-nit), [key] — adj. of, by, or like companions. tastefully harmonious. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: companionate (Thesaurus) companionable companionate marriage Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language