Crossword Genius

Lesson in style (5)

Ross

I believe the answer is:

class

I believe this is a double definition.

'lesson' is the first definition.
(thesaurus)

'style' is the second definition.
(thesaurus)

'in' is the link.

(Other definitions for class that I've seen before include "Group - style" , "Category; lesson" , "sophistication" , "Genus" , "26 [ORDER]" .)

I've seen this clue in The Telegraph.
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