“An inspiration” does give you a laugh (5)
I believe the answer is:
amuse
'give you a laugh' is the definition.
I can't tell whether this definition defines the answer.
'an inspiration' is the wordplay.
'an' becomes 'a'.
'inspiration' becomes 'muse' (a muse is someone's inspiration).
'a'+'muse'='AMUSE'
'does' is the link.
Can you help me to learn more?
(Other definitions for amuse that I've seen before include "Delight" , "Keep someone entertained" , "Keep occupied" , "Cause to laugh or smile" , "Tickle" .)