Crossword Genius

The official or executive finally delivering in that case (9)

Ross

I believe the answer is:

therefore

'in that case' is the definition.
(thesaurus)

'the official or executive finally' is the wordplay.
'official' becomes 'ref' (match official in football, say).
'finally' suggests the final letters.
The last letter of 'executive' is 'e'.
'the'+'ref'+'or'+'e'='THEREFORE'

'delivering' acts as a link.

(Other definitions for therefore that I've seen before include "Thus" , "as result" , "It follows" , "Consequently - for that reason" , "Ergo" .)

I've seen this clue in The Independent.
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