[Middle English disposicioun, from Old French disposition, from Latin dispositiō, dispositiōn-, from dispositus, past participle of dispōnere, to dispose; see dispose.] Synonyms: disposition, temperament, character, personality, nature. These nouns refer to the combination of qualities that identify a person. Disposition is approximately equivalent to prevailing frame of mind or spirit: A patronizing disposition always has its meaner side (George Eliot).