Crossword Genius

Commercial delegation right to enter (9)

Ross

I believe the answer is:

admission

'right to enter' is the definition.
(I've seen this before)

'commercial delegation' is the wordplay.
'commercial' becomes 'ad' (abbreviation for advertisement).
'delegation' becomes 'mission' (synonyms).
'ad'+'mission'='ADMISSION'

(Other definitions for admission that I've seen before include "entry charge" , "acceptance" , "for which one may be charged" , "Right to go in" , "Ticket holders expect this" .)

I've seen this clue in The Sun.
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