A revolution cropping up (7)

I believe the answer is:

arising

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'cropping up' is the definition.
Although both the answer and definition are present participle verbs, I cannot see how they can define each other.

'a revolution' is the wordplay.
'revolution' becomes 'rising'.
'a'+'rising'='ARISING'

Can you help me to learn more?

(Other definitions for arising that I've seen before include "Coming up for discussion" , "on the horizon" , "Stemming from like committee matters, or getting up" , "becoming manifest" , "Emerging" .)

I've seen this clue in The Irish Independent.

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