Converted period styles in a novel way (12)

I believe the answer is:

proselytised

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'in a novel way' is the definition.
I can't tell whether this definition defines the answer.

'converted period styles' is the wordplay.
'converted' indicates anagramming the letters.
'period'+'styles'='periodstyles'
'periodstyles' with letters rearranged gives 'PROSELYTISED'.

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(Other definitions for proselytised that I've seen before include "Tried to convert" , "Converted" .)

I've seen this clue in The Times.

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