Crossword Genius

Remember a message associated with revolt (8)

Ross

I believe the answer is:

memorise

I'm a little stuck... Click here to teach me more about this clue!

'remember' is the definition.
('remember'->'memorize' is in my internal thesaurus and 'ize'->'ise')

'a message associated with revolt' is the wordplay.
I cannot really see how this works, but
'message' could be 'memo' (memo is a kind of message) and 'memo' is located in the answer.
The remaining letters 'rise' is a valid word which might be clued in a way I don't see.
This may be the basis of clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for memorise that I've seen before include "Learn by heart" , "Commit information to the mind" .)

I've seen this clue in The Hindu.
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