Perseverance (9)
There are a few possibilities for this:
endurance
'perseverance' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for determination that I've seen before include "Decision process" , "Willpower" , "legal decision" , "Firm resolve" , "Resolution" .)
'perseverance' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for endurance that I've seen before include "Stoical coping with hardship" , "Staying power" , "Ability to withstand prolonged hardship" , "Crushed ship" , "Bearing" .)