Airs a little centaur assumed? (5)

I believe the answer is:

auras

'airs' is the definition.
(I know this)

'a little centaur assumed?' is the wordplay.
'a little' says the answer is hidden in the clue (a little bit of the clue).
'AURAS' is hidden within 'centaur assumed'.

(Other definitions for auras that I've seen before include "Atmospheres that seem to surround people" , "coloured glows" , "Distinctive atmospheres around certain people" , "Distinctive characters" .)

I've seen this clue in The Daily Express.

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