Synonyms for Banish (same or very similar meaning)
WordNet sense 1 (ban from a place of residence, as for punishment):
ban
WordNet sense 2 (expel from a community or group):
blackball, ostracize, shun, ostracise, cast out
WordNet sense 3 (expel, as if by official decree):
bar, relegate
From the ODE community, based on WordNet
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