soft

pedal n. Piano pedal that softens the tone. v. (soft-pedal) (-ll-; us -l-) refrain from emphasizing; be restrained.

superl. Easily yielding to pressure; easily impressed, molded, or cut; not firm in resisting; impressible; yielding; also, malleable; -- opposed to hard; as, a soft bed; a soft peach; soft earth; soft wood or metal.