Adjust again (5)
'adjust again' is the definition.
('set' is an answer for 'adjust' so perhaps 'reset' is OK for 'adjust again')
This is all the clue.
(Other definitions for reset that I've seen before include "adjusted" , "Put together again" , "question that's appeared in exam again" , "Trees (anag)" , "Restore to original state" .)
'adjust again' is the definition.
('adapt' can be a synonym for 'adjust' so perhaps 'readapt' is OK for 'adjust again')
This is the entire clue.
(Other definitions for readapt that I've seen before include "again demonstrate versatility" , "Again adjust to changed conditions" , "Once again modify" , "undergo further change" , "make further modifications" .)