airiness

nouns

the property of something spacious and abounding in fresh air
is derived from
is a type of (narrower)
spatial largeness and extensiveness (especially inside a building)
"the capaciousness of Santa's bag astounded the child"; "roominess in this size car is always a compromise"; "his new office lacked the spaciousness that he had become accustomed to"
the property of something weightless and insubstantial
is derived from
is derived from
lightness in movement or manner