Daring to give up power? That’s fortuitous (5)

I believe the answer is:

lucky

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

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

I can't explain the rest of the clue.

(Other definitions for lucky that I've seen before include "having the rub of the green?" , "Bringing good fortune" , "by chance" , "Game where prizes are picked from a tub" , "Blessed with good fortune" .)

I've seen this clue in The Independent.

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