cool down

Verb	1.	cool down - make cool or cooler; "Chill the food" Synonyms: cool, chill
	2.	cool down - lose intensity; "His enthusiasm cooled considerably" Synonyms: cool off, cool
	3.	cool down - loose heat; "The air cooled considerably after the thunderstorm" Synonyms: cool, chill

alter, change, chill, cool, ice, modify, quench, refrigerate