Restore play area no longer in operation (7)
I believe the answer is:
recover
'restore' is the definition.
(thesaurus)
'play area no longer in operation' is the wordplay.
'play area' becomes 'rec' (short for recreation ground).
'no longer in operation' becomes 'over' (I can't explain this - if you can you should believe this answer much more).
'rec'+'over'='RECOVER'
Can you help me to learn more?
(Other definitions for recover that I've seen before include "Bring back" , "Rally, get better" , "Obtain the return of" , "Find" , "Get better; retrieve" .)