Provoke fashionable celebrity about launch opening (7)

I believe the answer is:

inflame

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'provoke' is the definition.
(inflaming is a kind of provoking)

'fashionable celebrity about launch opening' is the wordplay.
'fashionable' becomes 'in' ('in' can be similar in meaning to 'fashionable').
'celebrity' becomes 'fame' ('fame' can be a synonym of 'celebrity').
'about' is an insertion indicator.
'launch opening' becomes 'l' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'fame' enclosing 'l' is 'flame'.
'in'+'flame'='INFLAME'

Can you help me to learn more?

(Other definitions for inflame that I've seen before include "Provoke; aggravate" , "Excite passionate feelings" , "Incite" , "Intensify, aggravate" , "Be provocative" .)

I've seen this clue in The Telegraph.

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