Confessional (noun)

1. A booth or cubicle in a church where a person can confess their sins to a priest.
2. A religious text or document that sets forth a confession of faith.
3. A public admission or declaration of one's beliefs or feelings.

Origin:

The word 'confessional' is derived from the latin word 'confessio' meaning 'acknowledgment' or 'confession'.

Examples:

1. She went to the confessional to confess her sins to the priest.
2. The Presbyterian Church uses the Westminster Confession of Faith as their confessional document.
3. In his confessional, he admitted his wrongdoing and expressed remorse.
4. Her confessional letter to the press caused a sensation.
5. The confessional poetry movement in the late 19th century was characterized by poets openly expressing their personal emotions and experiences.