Stimulating accuracy at last (4)

I believe the answer is:

racy

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'stimulating' is the definition.
(thesaurus)

'accuracy at last' is the wordplay.
'RACY' is hidden within the letters.
However, I am not sure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for racy that I've seen before include "Risqu" , "bawdy quality" , "Spicy" , "Sexually suggestive" , "Suggestive; spirited" .)

I've seen this clue in The Irish News.

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