adjective
harmonious
har-MOH-nee-us/hɑːrˈməʊniəs/
Having parts or people that fit or work well together.
The relaxed cat and dog share a harmonious place in the same bed.

Etymology
Harmonia joined the idea of physical joining with agreement between sounds. Harmonious first described sounds fitting together tunefully, then extended that musical agreement to things or people fitting together without conflict.
In context
we can affirm that and recapitulation it's harmonious and it can all fit together
More examples
- She works to maintain harmonious relations among the neighbors.
- The instruments produce a harmonious blend.
- Their different skills make for a harmonious partnership.
Forms
harmonious · more harmonious · most harmonious
Similar words
- compatible
- Able to coexist or work together without necessarily forming a pleasing whole.
- concordant
- Concordant means agreeing or matching; harmonious often adds a sense of pleasing cooperation.