a violent disturbance
violent agitation
disturbance usually in protest
(of a body of water) free from disturbance by heavy waves
make calm or still
with little or no activity or no agitation (`quiet' is a nonstandard variant for `quietly')
a period of calm weather
the absence of sound
an untroubled state; free from disturbances
a disposition free from stress or emotion
in a softened tone
become quiet or quieter
not showy or obtrusive
characterized by an absence or near absence of agitation or activity
free of noise or uproar; or making little if any sound
(of the sun) characterized by a low level of surface phenomena, such as sunspots