dismiss — to direct (an assembly of persons) to disperse or go: I dismissed the class early.
purge — to rid of whatever is impure or undesirable; cleanse; purify.
purify — to make pure; free from anything that debases, pollutes, adulterates, or contaminates: to purify metals.
remove — to move from a place or position; take away or off: to remove the napkins from the table.
cast out — To cast out something or someone means to get rid of them because you do not like or need them, or do not want to take responsibility for them.
