Accepts responsibility (4,2)
I believe the answer is:
owns up
(Other definitions for owns up that I've seen before include "Admits (to something)" , "'Admits, confesses (4,2)'" , "Admits responsibility" , "Allows" , "Confesses, admits guilt" .)
I believe the answer is:
owns up
(Other definitions for owns up that I've seen before include "Admits (to something)" , "'Admits, confesses (4,2)'" , "Admits responsibility" , "Allows" , "Confesses, admits guilt" .)