Heading away from home for corroboration (7,3)

I believe the answer is:

bearing out

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'from home for corroboration' is the definition.
I can't tell whether this defines the answer.

'heading away' is the wordplay.
'heading' becomes 'bearing' (synonyms).
'away' becomes 'out' (similar in meaning).
'bearing'+'out'='BEARING OUT'

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I've seen this clue in the Sydney Morning Herald.

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