Example : Figures light and aeriform come unlooked for and melt away.
Aerial fancies.
An airy apparition.
Physical rather than ethereal forms.

Synonyms : aerial, aeriform, aery, airy

Example : Ethereal solution.

Example : Celestial peace.
Ethereal melodies.
The supernal happiness of a quiet death.

Synonyms : celestial, supernal

Example : This smallest and most ethereal of birds.
Gossamer shading through his playing.

Synonyms : gossamer