Collectively (8)
'collectively' is the definition.
(synonyms)
This is all the clue.
(Other definitions for together that I've seen before include "in concert" , "Jointly" , "On the trot" , "Married" , "Collected" .)
(Other definitions for all told that I've seen before include "Everyone informed" , "To summarise" , "Taking everything into account" , "Taking every one into account" , "Nothing missed out" .)