Legal action (7)
'legal action' is the definition.
(synonyms)
This is all the clue.
(Other definitions for lawsuit that I've seen before include "The process of bringing action in legal court" , "Legal dispute" , "Legal proceedings" , "Claim brought to court" , "Legal case" .)
'legal action' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for appeal that I've seen before include "Try again in higher court" , "Charity fund-raising" , "prayer" , "Seek reversal of verdict from higher court" , "Plea" .)