"aura" in the noun sense
a sensation (as of a cold breeze or bright light) that precedes the onset of certain disorders such as a migraine attack or epileptic seizure
2. aura, aureole, halo, nimbus, glory, gloriole
an indication of radiant light drawn around the head of a saint
3. air, aura, atmosphere
a distinctive but intangible quality surrounding a person or thing
"an air of mystery"
"the house had a neglected air"
"an atmosphere of defeat pervaded the candidate's headquarters"
"the place had an aura of romance"
Source: WordNet® (An amazing lexical database of English)
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