Confederate (4)
'confederate' is the definition.
(synonyms)
This is all the clue.
(Other definitions for ally that I've seen before include "Crony" , "Join - friend" , "One on one's side" , "Team up" , "He fights on your side" .)
'confederate' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for band that I've seen before include "Zone; group" , "Group; frequency range" , "Loop; rock group" , "Pop group, perhaps" , "A collection of musicians in ring" .)
(Other definitions for meld that I've seen before include "Blend, combine" , "Merge" .)