Go down as stated, working together in this? (4)

I believe the answer is:

sync

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'working together in this?' is the definition.
The definition suggests a singular noun but the answer is not.

'go down as stated' is the wordplay.
'go down' becomes 'sink' (synonyms).
'as stated' indicates a 'sounds like' (homophone) clue.
'sink' is a homophone of 'SYNC'.

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(Other definitions for sync that I've seen before include "In which one's matching" , "Relationship when things occur at the same time" , "In which things occur simultaneously" , "go together" , "Unison (abbrev.)" .)

I've seen this clue in The Daily Mail.

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