quiet

> quiet
(adjective)
hushed, motionless, quiescent, still, unmoved.
calm, contented, gentle, mild, meek, modest, peaceable, peaceful, placid, silent, smooth, tranquil, undemonstrative, unobtrusive, unruffled.
patient.
retired, secluded.

> quiet
(noun)
calmness, peace, repose, rest, silence, stillness.