coolness

(noun) calm and unruffled self-assurance. Synonyms: imperturbability, imperturbableness. Example: "He performed with all the coolness of a veteran."

(noun) the property of being moderately cold. Synonyms: chilliness, nip. Example: "The chilliness of early morning."

(noun) fearless self-possession in the face of danger. Synonyms: nervelessness.

(noun) a lack of affection or enthusiasm. Synonyms: coldness, frigidity, frigidness, iciness, chilliness. Example: "A distressing coldness of tone and manner."