Skilful or knowledgeable (6)

I believe the answer is:

expert

This clue is a double definition.

'skilful' is the first definition.
(synonyms)

'knowledgeable' is the second definition.
(thesaurus)

(Other definitions for expert that I've seen before include "At the right moment" , "Specialist, pundit" , "The person who knows" , "Adept" , "Clever" .)

I've seen this clue in The Mirror.

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