Open English Wordnet
Adjectives
(s)aeriform, aerial, airy, aery, etherealcharacterized by lightness and insubstantiality; as impalpable or intangible as air“figures light and aeriform come unlooked for and melt away” (Thomas Carlyle),
“aerial fancies”,
“an airy apparition”,
“physical rather than ethereal forms” (a)etherealof or containing or dissolved in ether“ethereal solution” (s)celestial, ethereal, supernalof heaven or the spirit“celestial peace”,
“ethereal melodies”,
“the supernal happiness of a quiet death” (s)ethereal, gossamercharacterized by unusual lightness and delicacy“this smallest and most ethereal of birds”,
“gossamer shading through his playing”