Har-mō'ni-oŭs, a.
a. [Fr. harmonieux, It. & Sp. armonioso. See HARMONY.]
Sense 1. Adapted to each other; having the parts proportioned to each other; symmetrical.
God hath made the intellectual world harmonious and beautiful without us. Locke.
Sense 2. Acting together to a common end; agreeing in action or feeling; living in peace and friendship; as, an harmonious family.
Sense 3. Vocally or musically concordant; agreeably consonant; symphonious.