soften

make (images or sounds) soft or softer

lessen in force or effect; "soften a shock"; "break a fall"

give in, as to influence or pressure

protect from impact; "cushion the blow"

make less severe or harsh; "He moderated his tone when the students burst out in tears"

make soft or softer; "This liquid will soften your laundry"

become soft or softer; "The bread will soften if you pour some liquid on it"