Poet makes return visit around end of June (5)
I believe the answer is:
yeats
'poet' is the definition.
(Yeats is an example)
'return visit around end of june' is the wordplay.
'return' says the letters should be written in reverse.
'visit' becomes 'stay' (I've seen this before).
'around' indicates putting letters inside.
'end of' suggests the final letters.
The last letter of 'june' is 'e'.
'stay' placed around 'e' is 'staey'.
'staey' backwards is 'YEATS'.
'makes' is the link.
(Other definitions for yeats that I've seen before include "Irish poet and dramatist, d. 1939" , "William Butler ..., great Irish poet" , "Irish poet, 1923 Nobel Prize winner" , "he wrote" , "Irish poet (The Winding Stair)" .)