Crossword Genius

Support Amnesty International ball (7)

Ross

I believe the answer is:

aidance

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'support' is the definition.
(I've seen this before)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for aidance that I've seen before include "Help" , "Support" .)

I've seen this clue in The Sunday Times and The Times.
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