形容词

1. （关系、协定、讨论）融洽的，和睦的，友好的
A harmonious relationship, agreement, or discussion is friendly and peaceful.

1. existing together in harmony

e.g. harmonious family relationships

2. suitable and fitting

e.g. the tailored clothes were harmonious with her military bearing

3. exhibiting equivalence or correspondence among constituents of an entity or between different entities

Synonym: proportionatesymmetrical

4. musically pleasing