(v) become quiet or calm, especially after a state of agitation, Syn. settle down, simmer down, cool it, chill out, calm down, cool off, Example:After the fight both men need to cool off.; It took a while after the baby was born for things to settle down again.
[ひやす, hiyasu] (v5s, vt) (1) to cool (from room temperature); to chill; to refrigerate; (2) to calm down; to cool off; to regain one's composure; to relax; (3) to be frightened (at); to be scared (of); (P)