May it form friendship (5)
I believe the answer is:
amity
'friendship' is the definition.
(I've seen this in other clues)
'may it form' is the wordplay.
'form' indicates an anagram.
'may'+'it'='mayit'
'mayit' anagrammed gives 'AMITY'.
(Other definitions for amity that I've seen before include "Accord" , "understanding" , "Friendly relations" , "Friendly feeling, fraternity" , "Cordial friendship" .)