Crossword Genius

Upper-class person of wisdom reveals custom (5)

Ross

I believe the answer is:

usage

'custom' is the definition.
(I know that custom can be written as usage)

'upper-class person of wisdom' is the wordplay.
'upper-class' becomes 'u' (similar in meaning).
'person of wisdom' becomes 'sage'.
'u'+'sage'='USAGE'

'reveals' acts as a link.

(Other definitions for usage that I've seen before include "Custom; practice" , "Usual practice" , "Interest of old" , "Customary practice" , "Employment - practice" .)

I've seen this clue in The Guardian.
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