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Verb: cool it
Usage: informal
  1. Become quiet or calm, especially after a state of agitation
    "After the fight both men need to cool it.";
    - calm, calm down, cool off, chill out [informal], simmer down [informal], settle down, wind down, take a chill pill [informal], take it easy [informal]

Derived forms: cooled it, cools it, cooling it

Type of: change state, turn

Encyclopedia: Cool it