Partner (9)
(Other definitions for escort that I've seen before include "Protective accompaniment" , "attendance" , "Provide company - car - guard" , "Person who accompanies or guards another" , "Bodyguard" .)
'partner' is the definition.
(I know that partner can be written as spouse)
This is the entire clue.
(Other definitions for spouse that I've seen before include "Elizabethan dance" , "mate" , "Consort" , "Very hot and dry" , "Other half" .)
'partner' is the definition.
(synonyms)
This is all the clue.
(Other definitions for mate that I've seen before include "couple" , "Spouse or informal friend" , "Final move in chess" , "Team (anag.)" , "Friend; ship's officer" .)
'partner' is the definition.
(an ally is an associate or supporter)
This is the entire clue.
(Other definitions for ally that I've seen before include "Friend and colleague" , "One on one's side" , "Fighting partner" , "Join forces with" , "State formally cooperating with another" .)
'partner' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for companion that I've seen before include "Mate (maybe of honour!)" , "person with whom one is travelling?" , "Intimate" , "Fellow traveller" , "One of a pair" .)