Show is cancelled in wonderland (6)

I believe the answer is:

parade

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

'show' is the definition.
(I know that parade is a type of display)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for parade that I've seen before include "Easter ___ , 1948 film with Judy Garland and Fred Astaire" , "Public procession as on St Patrick's Day" , "exhibition" , "Cavalcade or procession" , "Show - display" .)

I've seen this clue in The Guardian.

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