Subsequent (4)
'subsequent' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for next that I've seen before include "Coming immediately" , "Nearest in space or position" , "Coming nearest in order - come, please!" , "Following in sequence" , "The one following or adjacent" .)
(Other definitions for eventual that I've seen before include "coming after some time" , "Happening at the end of a period of time" , "'Inevitable, with time (8)'" , "Final, after a time" , "Coming at last, ultimate" .)