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" .)
'expulsion' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for dismissal that I've seen before include "sack" , "Termination of employment" , "Discharge" , "Removal from employment" , "job loss?" .)
'expulsion' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for eviction that I've seen before include "Lawful dispossession" , "Dispossession by law" , "Removal of tenant by law" , "Expulsion (from a property)" , "Expulsion from a premises" .)