<p><strong>Noun</strong></p><ul><li>agreement; accord; harmonious relations.</li><li>Synonyms: friendship, amity, peace, unity, concord.</li><li>a consistent, orderly, or pleasing arrangement of parts; congruity.</li><li>Synonyms: consonance, consistency, correspondence, conformity.</li><li>Music: any simultaneous combination of tones.</li><li>the simultaneous combination of tones, especially when blended into chords pleasing to the ear; chordal structure, as distinguished from melody and rhythm.</li><li>the science of the structure, relations, and practical combination of chords.</li><li>an arrangement of the contents of the Gospels, either of all four or of the first three, designed to show their parallelism, mutual relations, and differences.</li></ul>