harmonious
adjective /hɑːˈməʊniəs/
/hɑːrˈməʊniəs/
(approving)- (of relationships, etc.) friendly, peaceful and without any arguments
- a harmonious alliance between management and workers
- arranged together in a way that is pleasant because each part goes well with the others synonym pleasing
- a harmonious combination of colours
- (of sounds) very pleasant when played or sung together