落ち着く

What does 落ち着く mean in English?

1. to calm down; to compose oneself; to regain presence of mind(v5k, vi)
2. to calm down; to settle down; to die down; to become stable; to abate(v5k, vi)
3. to settle down (in a location, job, etc.); to settle in(v5k, vi)
4. to be settled; to be fixed; to have been reached(v5k, vi)
5. to harmonize with; to harmonise with; to match; to suit; to fit(v5k, vi)
6. to be unobtrusive; to be quiet; to be subdued(v5k, vi)