At a later time (5)
'at a later time' is the definition.
(after a period of time)
This is the entire clue.
(Other definitions for after that I've seen before include "In pursuit of, behind" , "Subsequent to" , "In honour of" , "Pursuing" , "Following, consequent to" .)
'at a later time' is the definition.
(I've seen this before)
This is the entire clue.
(Another definition for afterward that I've seen is " At a later time".)