Supervised behaviour by editor (9)

I believe the answer is:

conducted

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'supervised' is the definition.

'behaviour by editor' is the wordplay.
'behaviour' becomes 'conduct' (synonyms).
'by editor' becomes 'ed' (I am not sure about the 'by' bit.).
'conduct'+'ed'='CONDUCTED'

Can you help me to learn more?

(Other definitions for conducted that I've seen before include "Directed the course of" , "Led" , "Directed, orchestra say" .)

I've seen this clue in The Telegraph.

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