More rounded university students originally enjoyed visiting France (6)

I believe the answer is:

fuller

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'more rounded' is the definition.
Both the definition and answer are comparative adjectives. Perhaps there's a link between them I don't understand?

'university students originally enjoyed visiting france' is the wordplay.
'university' becomes 'u'.
'students' becomes 'll'.
'originally' says to take the initial letters.
'visiting' means one lot of letters goes inside another.
'france' becomes 'fr'.
The initial letter of 'enjoyed' is 'e'.
'u'+'ll'+'e'='ulle'
'ulle' placed inside 'fr' is 'FULLER'.

Can you help me to learn more?

(Another definition for fuller that I've seen is " Less empty".)

I've seen this clue in The Telegraph.

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