Akademik

ethereal

adj. (also etherial)
1 light, airy.
2 highly delicate, esp. in appearance.
3 heavenly, celestial.
4 Chem. of or relating to ether.
Derivatives:
ethereality n. ethereally adv.
Etymology: L aethereus, -ius f. Gk aitherios (as ETHER)

Useful english dictionary. 2012.