Expulsion (5)
'expulsion' is the definition.
(an expulsion is a purge or removal)
This is all the clue.
(Other definitions for purge that I've seen before include "Rid organisation of undesirable members" , "Thoroughly clean" , "Cleanse, purify" , "Get rid of unwanted elements" , "Purify from sin or guilt" .)
(Other definitions for exile that I've seen before include "eg Napoleon on Elba" , "Banish; expel" , "Banishment from home" , "forced to leave" , "Send to live abroad" .)
'expulsion' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for dismissal that I've seen before include "Rejection" , "Notice" , "Removal from employment" , "ending" , "getting cards?" .)
'expulsion' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for eviction that I've seen before include "Removal of tenant by law" , "Ousting" , "Lawful dispossession" , "Dispossession by law" , "Expulsion from a premises" .)