Leader of government, an auditor, redesigned an educational ceremony (10)

I believe the answer is:

graduation

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'an educational ceremony' is the definition.
'graduation' can be an answer for 'ceremony' (graduation is a kind of ceremony). I'm not certain of the 'an educational' bit.

'leader of government an auditor redesigned' is the wordplay.
'leader of' suggests taking the first letters.
'redesigned' indicates an anagram.
The initial letter of 'government' is 'g'.
'an'+'auditor'='anauditor'
'anauditor' is an anagram of 'raduation'.
'g'+'raduation'='GRADUATION'

Can you help me to learn more?

(Another definition for graduation that I've seen is " Successful completion of study".)

I've seen this clue in the Sydney Morning Herald.

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