Putting off daily exercise leads to agitation (9)

I believe the answer is:

deferment

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'putting' is the definition.
The answer and definition can be both acts as well as being singular nouns.
Maybe there's a link between them I don't understand?

'daily exercise leads to agitation' is the wordplay.
'leads' suggests taking the first letters.
'to agitation' becomes 'ferment' (synonyms).
The initial letters of 'daily exercise' is 'de'.
'de'+'ferment'='DEFERMENT'

'off' is the link.

Can you help me to learn more?

(Other definitions for deferment that I've seen before include "Delay" , "Putting on ice" .)

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