Adjustment in ages for review (6)

I believe the answer is:

easing

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'adjustment' is the definition.
The answer and definition can be both acts as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'in ages for review' is the wordplay.
'for review' is an anagram indicator.
'in'+'ages'='inages'
'inages' is an anagram of 'EASING'.

Can you help me to learn more?

(Other definitions for easing that I've seen before include "Becoming less severe" , "falling off?" , "comforting" , "relaxing" , "Calming - relaxation" .)

I've seen this clue in The Globe and Mail.

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