The term 'put in the fridge' refers to the act of placing food or drinks in a refrigerator in order to keep them COOL. This can be accomplished by using the crossword solutions COOLED (6 letters), CHILL (5 letters), and COOL (4 letters). COOLED is an adjective meaning to make or become cold, CHILL is a verb meaning to make or become cold, and COOL is an adjective meaning moderately cold. Therefore, these three words all refer to the same action of cooling something down.