Real Dictionary

exile
If you say that someone has been exiled from a particular place or situation, you mean that they have been sent away from it or removed from it against their will.
countable noun: An exile is someone who has been exiled.
uncountable noun: If someone is living in exile, they are living in a foreign country because they cannot live in their own country, usually for political reasons.
verb: If someone is exiled, they are living in a foreign country because they cannot live in their own country, usually for political reasons.

exile in American English
a prolonged living away from one's country, community, etc., usually enforced; banishment, sometimes self-imposed
to force (someone) to leave his or her own country, community, etc.; banish
noun: expulsion from one's native land by authoritative decree

exile in British English
noun
noun: a prolonged, usually enforced absence from one's home or country; banishment
verb: to expel from home or country, esp by official decree as a punishment; banish