ethereality

from The Collaborative International Dictionary of English v.0.48

Ethereality \E*the`re*al"i*ty\, n.
   The state of being ethereal; etherealness.
   [1913 Webster]

         Something of that ethereality of thought and manner
         which belonged to Wordsworth's earlier lyrics. --J. C.
                                                  Shairp.
   [1913 Webster]