*Bae (4)
'bae' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Another definition for hon that I've seen is " Honourable (abbrev.)".)
(Other definitions for boon that I've seen before include "Benefit and advantage" , "A benefit, goes with blessing" , "Blessing, favour" , "Favour, request" , "Something beneficial - a blessing" .)