ethereal

ethereal [etherial] adj

see ether, n.

1. Heavenly; celestial; seraphic; of spirit; existing beyond mortality; [fig.] divine; godly.
2. Unearthly; supernatural; mystical; mysterious; unexplainable; immortal; beyond death.
3. Spiritual; soulful.
4. Airy; imperceptible; intangible.
5. [Fig.] blessed; favored; fortunate; glorious.
6. [Fig.] ephemeral; brief; fleeting; temporary; momentary; short-lived.