Crossword Genius

Through staging an exhibition - honestly (2,4,5)

Ross

I believe the answer is:

by fair means

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

'through staging an' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'exhibition honestly' is the wordplay.
I cannot really understand how this works, but
'exhibition' could be 'fair' (fair is a kind of exhibition) and 'fair' is found within the answer.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in the Evening Standard.
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