Crossword Genius

Anybody can be exemplary! (3)

Ross

I believe the answer is:

one

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

'anybody' is the definition.
(I've seen this in another clue)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for one that I've seen before include "joke" , "Unity" , "Single and undivided" , "I can mean this" , "Single person or thing" .)

I've seen this clue in the Evening Standard.
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