Award the great one some ornamentation (9)

I believe the answer is:

medallion

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'award the great one some ornamentation' is the definition.
'medallion' can be an answer for 'award' (I've seen this before). I'm not certain of the 'the great one some ornamentation' bit.

'award the great one some ornamentation' is the wordplay.
'award' becomes 'medal' (medal is a kind of award).
'the great one some ornamentation' becomes 'lion' (I can't justify this - if you can you should give a lot more credence to this answer).
'medal'+'lion'='MEDALLION'

Can you help me to learn more?

(Other definitions for medallion that I've seen before include "Cut" , "Circular piece of meat - commemorative award" , "prize" , "Ornamental disc on a chain" , "(Commemorative) disc" .)

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

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