Desire When Eight Bells Toll to be presented progressively (4)
I believe the answer is:
will
'desire' is the definition.
(thesaurus)
I don't understand how the rest of the clue works.
(Other definitions for will that I've seen before include "Fixed intention" , "Final disposition" , "- And Grace, TV series" , "Inclination" , "Intention; legal document" .)