Escape, breaking gate system (7)

I believe the answer is:

getaway

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'escape' is the definition.
(getaway is a kind of escape)

'breaking gate system' is the wordplay.
'breaking' indicates an anagram.
'system' becomes 'way' (I can't explain this - if you can you should believe this answer much more).
'gate' anagrammed gives 'geta'.
'geta'+'way'='GETAWAY'

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(Other definitions for getaway that I've seen before include "Escape" , "flight" .)

I've seen this clue in The Times.

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