expatriation the process of abandoning one’s native land or of being exiled. —expatriate, n., adj., vb. ostracism 1. a casting out from social or political society. 2. the ancient Athenian process of temporary banishment by popular vote, using potsherds or tiles for ballots. petalism the banishing of a citizen for five years if judged guilty of dangerous influence or ambition, as practiced in ancient Syracuse; olive leaves were used for ballots.
From banish +"Ž -ment.