Inmate suffers injury finally getting facility (7)
I believe the answer is:
amenity
'facility' is the definition.
(thesaurus)
'inmate suffers injury finally' is the wordplay.
'suffers' indicates an anagram.
'finally' indicates one should take the final letters.
The final letter of 'injury' is 'y'.
'inmate' anagrammed gives 'amenit'.
'amenit'+'y'='AMENITY'
'getting' is the link.
(Other definitions for amenity that I've seen before include "Useful feature (of place/ building)" , "Anytime (anag.)" , "Any time for convenience or pleasentness" , "Feature that makes life pleasant or convenient" , "Facility making life easy or pleasant - any time" .)