1) Aguishness 2) Coolness 1) Cold 2) Coldness 3) Coolness 4) Draughtiness 5) Frostiness 6) Iciness 7) Low temperature 8) Wintriness 
• (n.) Formality; lack of warmth. • (n.) A state or sensation of being chilly; a disagreeable sensation of coldness. • (n.) A moderate degree of coldness; disagreeable coldness or rawness; as, the chilliness of the air.
Chill'i·ness noun 1. A state or sensation of being chilly; a disagreeable sensation of coldness. 2. A moderate degree of coldness; disagreeable coldness or rawness; as, the chilliness of the air. 3. Formality; lack of warmth. 
[n] - the property of being moderately cold
coolness noun the property of being moderately cold; `the chilliness of early morning`