Crossword Genius

Change later, possibly (5)

Ross

I believe the answer is:

alter

'change' is the definition.
('alter' can be a synonym of 'change')

'later possibly' is the wordplay.
'possibly' indicates an anagram.
'later' anagrammed gives 'ALTER'.

(Other definitions for alter that I've seen before include "and 10 Across: Second self" , "Revise" , "Metamorphose" , "Change, make different" , "Adapt" .)

I've seen this clue in The Mirror.
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