Excommunication (noun)

1. The act of excluding a person from the communion or fellowship of a particular church or religious community.
2. The state of being excluded from the communion or fellowship of a particular church or religious community.

Origin:

From late latin excommunicatio, from excommunicare ("to excommunicate"), from ex- ("out") + communicare ("to communicate"), literally "to cut off from communication".

Examples:

1. The excommunication of the heretic was a formal declaration of his rejection from the church.
2. The excommunication was a severe punishment that resulted in the loss of many rights and privileges.
3. The excommunication was a harsh measure used to maintain the purity of the faith.
4. The excommunication was a powerful tool used by the church to maintain discipline and control.
5. The excommunication was a dramatic demonstration of the church's authority and its power to exclude those who defied its teachings.