Crossword Genius

Put into circulation, perhaps (4)

Ross

I believe the answer is:

stir

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

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for stir that I've seen before include "cooler" , "jail" , "Begin to move" , "Create revolutionary movement" , "Get moving" .)

I've seen this clue in the Evening Standard.
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