Get a grin out of (5)
I believe the answer is:
amuse
'get a grin out of' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for amuse that I've seen before include "Pleasantly occupy" , "Cause mirth - distract" , "Cause to laugh or smile" , "interest" , "Make (someone) laugh" .)