Aura

Aura can mean several things:

Aura (symptom), a feeling experienced before a migraine or seizure
Halo, also known as an aura, a ring of light surrounding an object
Aura, Finland, a town in southwestern Finland
Saturn Aura, a mid-size automobile
Aura (paranormal), spiritual concept, radiance glowing a human body
Aura (slang), to have a vibe of coolness