#1 soften v. make (images or sounds) soft or softer. wn
#2 soften v. [dampen, damp, weaken, break] lessen in force or effect; "soften a shock"; "break a fall". wn
#3 soften v. [yield, relent] give in, as to influence or pressure. wn
#4 soften v. [cushion, buffer] protect from impact; "cushion the blow". wn
#5 soften v. [mince, moderate] make less severe or harsh; "He moderated his tone when the students burst out in tears". wn
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