Recreated a halo in greeting (5)
I believe the answer is:
aloha
'greeting' is the definition.
(I've seen this in another clue)
'recreated a halo' is the wordplay.
'recreated' indicates an anagram.
'a'+'halo'='ahalo'
'ahalo' with letters rearranged gives 'ALOHA'.
'in' acts as a link.
(Other definitions for aloha that I've seen before include "A Polynesian hello or goodbye" , "greeting in Oahu" , "Hawaiian farewell" , "Hawaiian hello or goodbye" , "Hawaiian "ciao"" .)