'tone down' definitions:

Definition of 'tone down'

From: WordNet
verb
Deaden (a sound or noise), especially by wrapping [syn: muffle, mute, dull, damp, dampen, tone down]
verb
Make less strong or intense; soften; "Tone down that aggressive letter"; "The author finally tamed some of his potentially offensive statements" [syn: tone down, moderate, tame]