Obtain Listener solution at last (4)
I believe the answer is:
earn
'obtain' is the definition.
(thesaurus)
'listener solution at last' is the wordplay.
'listener' becomes 'ear' (body part which hears or listens).
'at last' indicates one should take the final letters.
The last letter of 'solution' is 'n'.
'ear'+'n'='EARN'
(Other definitions for earn that I've seen before include "Gain credit from" , "Merit through work or effort" , "Twist out of shape" , "Gain by work or effort" , "Receive by effort" .)