Occult sign for those who are dictated to (11)

I believe the answer is:

secretaries

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'those who are dictated to' is the definition.
The definition suggests an adverb but the answer is not.

'occult sign' is the wordplay.
'occult' becomes 'secret' (synonyms).
'sign' becomes 'aries' (star sign).
'secret'+'aries'='SECRETARIES'

'for' acts as a link.

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I've seen this clue in The Irish Independent.

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