quietly (adv.)
- aesthetically
- artistically
- becomingly
- calmly
- composedly
- coolly
- decently
- decorously
- demurely
- dispassionately
- elegantly
- genteelly
- gently
- gracefully
- humbly
- impassively
- inaudibly
- meekly
- mildly
- modestly
- noiselessly
- pacifically
- peaceably
- peacefully
- placidly
- properly
- sedately
- serenely
- silently
- simply
- smoothly
- softly
- soundlessly
- steadily
- still
- stodgily
- stoically
- stolidly
- stuffily
- tamely
- tastefully
- tranquilly
- unassumingly
- unobtrusively
- unpretentiously