Person inside ruffled lace mask (7)

I believe the answer is:

conceal

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'mask' is the definition.
(thesaurus)

'person inside ruffled lace' is the wordplay.
'person inside' becomes 'con' (I can't explain this - if you can you should give a lot more credence to this answer).
'ruffled' indicates an anagram.
'lace' with letters rearranged gives 'ceal'.
'con'+'ceal'='CONCEAL'

Can you help me to learn more?

(Other definitions for conceal that I've seen before include "Screen" , "hush up!" , "'Hide, keep secret (7)'" , "Keep out of sight" , "Place out of sight" .)

I've seen this clue in The Times.

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