(ˈ)här|mōnēəs, (ˈ)hȧ|-, -nyəs adjective
Etymology: Middle French armonieux, harmonieux, from armonie, harmonie harmony — more at harmony
1. : musically concordant : agreeably consonant
2. : having the component parts agreeably related to each other : congruous
harmonious medley of small vaulted chambers — Norman Douglas
3. : marked by accord in sentiment or action : compatible
harmonious relationship between church and state — H.D.Hazeltine
• har·mo·ni·ous·ness noun -es