to exclude, by general consent, from society, friendship, conversation, privileges, etc.

His friends ostracized him after his father's arrest.

to banish (a person) from his or her native country; expatriate.

(in ancient Greece) to banish (a citizen) temporarily by popular vote.

verb

embrace , welcome

verb

avoid , blackball * , blacklist * , boycott , cast out , cold-shoulder * , cut , deport , displace , drop , exclude , excommunicate , expatriate , expel , expulse , leave in the cold , oust , reject , shun , shut out , snub , throw out , blacklist , exile , transport , banish , blackball , ostrich