Crossword Genius

Fix where setter admits to espionage (7)

Ross

I believe the answer is:

implant

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'fix' is the definition.
(thesaurus)

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(Other definitions for implant that I've seen before include "Insert within a body" , "Inculcate; embed" , "material (medical)" , "Fix securely and deeply" , "Introduce" .)

I've seen this clue in The Sun.
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