Answer:

moisten

Answer	Crossword Clue
MOISTEN	What misters do
MOISTEN	Make damp
MOISTEN	Prepare to seal, as an envelope

MOISTEN	Sponge
MOISTEN	Prepare for sticking, perhaps
MOISTEN	Wet.
MOISTEN	Humidify.
MOISTEN	Bedew.
MOISTEN	Bedew
MOISTEN	Wet
MOISTEN	Dampen

MOISTEN	Prepare to seal, perhaps
MOISTEN	Prepare stamps for sticking
MOISTEN	Use skin cream