presence of mind[noun]Synonyms: level-headedness, calmness, composure, cool
(slang), coolness, self-possession, wits
[TahlilGaran] English Synonym Dictionary ▲
ˌpresence of ˈmind noun [uncountable] the ability to deal with a dangerous situation calmly and quickly
have the presence of mind to do something
I’m glad she had the presence of mind to take down the car’s registration number. [TahlilGaran] Dictionary of Contemporary English ▲