Become quiet or calm, especially after a state of agitation "After the fight both men need to cool off." - calm, calm down, chill out, simmer down, settle down, cool it, wind down, take a chill pill
Lose intensity - cool, cool down
Feel less enamoured of something or somebody
Derived forms: cooling off, cooled off, cools off
Type of: change, change state, experience, feel, turn