Plagiarise tales? (5)

I believe the answer is:

steal

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'plagiarise' is the definition.
(steal can mean to copy or plagiarise)

'tales?' is the wordplay.
'tales' anagrams to 'STEAL'.
However, I am unsure how this is indicated.

Can you help me to learn more?

(Other definitions for steal that I've seen before include "pirate" , "Appropriate" , "Take without permission" , "Rob" , "Plagiarise" .)

I've seen this clue in the Evening Standard.

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