[v] make moist; "The dew moistened the meadows"
[v] lessen in force or effect; "soften a shock"; "break a fall"
[v] check; keep in check (a fire)
[v] make vague or obscure or make (an image) less visible; "muffle the message"
[v] smother or suppress; "Stifle your curiosity"
[v] reduce the amplitude (of oscillations or waves)
[v] deaden (a sound or noise), esp. by wrapping
break, damp, damp, dull, moisten, muffle, mute, soften, stifle, tone down, wash, weaken