dampen

verb

1. 1

   make moist

   The dew moistened the meadows

2. 2

   lessen in force or effect

   soften a shock

   break a fall

3. 3

   check; keep in check (a fire)

4. 4

   make vague or obscure or make (an image) less visible

   muffle the message

5. 5

   smother or suppress

   Stifle your curiosity

6. 6

   reduce the amplitude (of oscillations or waves)

7. 7

   deaden (a sound or noise), especially by wrapping