coolness

noun

1
a lack of affection or enthusiasm
a distressing coldness of tone and manner
2
fearless self-possession in the face of danger
3
the property of being moderately cold
the chilliness of early morning
4
calm and unruffled self-assurance
he performed with all the coolness of a veteran

Also useful for “coolness”:Unscrambler— Rearrange the letters in “coolness”