Possibly alter afterwards (5)

I believe the answer is:

later

'afterwards' is the definition.
(I know that afterwards can be written as later)

'possibly alter' is the wordplay.
'possibly' indicates an anagram.
'alter' is an anagram of 'LATER'.

(Other definitions for later that I've seen before include "after the rest?" , "After a given point in time" , "succeeding" , "goodbye" , "Eventually" .)

I've seen this clue in The Irish Independent.

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