Verbs

(v)stifle, dampensuppress or constrain so as to lessen in intensity“Stifle your curiosity”
(v)moisten, wash, dampenmake moist“The dew moistened the meadows”
(v)muffle, mute, dull, damp, dampen, tone downdeaden (a sound or noise), especially by wrapping
(v)dampenreduce the amplitude (of oscillations or waves)
(v)dampen, deaden, dampmake vague or obscure or make (an image) less visible“muffle the message”
(v)dampencheck; keep in check (a fire)
(v)dampen, damp, soften, weaken, breaklessen in force or effect“soften a shock”, “break a fall”