dampening (Noun) — The act of making something slightly wet.
dampening (Verb) — Smother or suppress. ex. "dampen your curiosity"
dampening (Verb) — Make moist. ex. "The dew dampened the meadows"
dampening (Verb) — Deaden (a sound or noise), especially by wrapping.
dampening (Verb) — Reduce the amplitude (of oscillations or waves).
dampening (Verb) — Make vague, obscure or make (an image) less visible.
dampening (Verb) — Check; keep in check (a fire).
dampening (Verb) — Lessen in force or effect. ex. "dampen a shock"