Liberal (8)
'liberal' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for generous that I've seen before include "Benevolent, big-hearted" , "Kind towards others" , "Charitable" , "Beneficent, perhaps to a fault" , "Freely giving; larger than usual" .)
(Other definitions for arts that I've seen before include "A degree" , "they may be performing" , "Master of --" , "Anagram of 19" , "Non-science subjects" .)
'liberal' is the definition.
(I've seen this before)
This is all the clue.
(Another definition for broad-minded that I've seen is " Tolerant, liberal".)