Giving extremely gullible old emperor America (8)

I believe the answer is:

generous

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'giving' is the definition.
(similar in meaning)

'extremely gullible old emperor america' is the wordplay.
'extremely' suggests removing the centre (only the extremes of the word are used).
'old emperor' becomes 'nero' (Roman emperor. I am not sure about the 'old' bit.).
'america' becomes 'US' (United States).
'gullible' with its centre taken out is 'ge'.
'ge'+'nero'+'us'='GENEROUS'

Can you help me to learn more?

(Other definitions for generous that I've seen before include "Bountiful, unselfish" , "Handsome" , "Abundant" , "Benevolent, big-hearted" , "Freely giving; larger than usual" .)

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

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