Deserve attention finally given (4)
I believe the answer is:
earn
'deserve' is the definition.
(I've seen this before)
'attention finally given' is the wordplay.
'attention' becomes 'ear' (having someone's ear is having their attention).
'finally' indicates one should take the final letters.
The last letter of 'given' is 'n'.
'ear'+'n'='EARN'
(Other definitions for earn that I've seen before include "Gain by work or effort" , "Gain by working" , "Pull in" , "There's merit" , "Make money" .)