Cool down' is an expression used to describe the process of calming down or reducing the intensity of a situation. The crossword solutions for this term are ICE (3 letters), CHILL (5 letters), RESTRICT (8 letters), KNOCKITOFF (10 letters), TAKEITSLOW (10 letters), and REFRIGERATE (11 letters). These words all suggest different ways to cool down, from physical actions such as 'ICE' and 'REFRIGERATE' to more figurative terms like 'CHILL' and 'take it slow'.