confession

n. admission (of guilt, sin, etc.); declaration of faith; telling of one's sins to a priest

This article is about the practice of confession in thee Christian faith. In criminal proceedings, a confession is a document in which a suspect admits having committed a crime. Confession of sins is part of the Christian faith and practice . The meaning is essentially the same as the criminal one – to admit one's guilt. Confession of one's sins, or at least of one's sinfulness, is seen by most churches as a pre-requisite for becoming a Christian.
See more at Wikipedia.org...

n. confession; avowal; congregation, denomination; persuasion, religion; shrift

(n.)
The act of disclosing sins or faults to a priest in order to obtain sacramental absolution.
  

(n.)
An admission by a party to whom an act is imputed, in relation to such act. A judicial confession settles the issue to which it applies; an extrajudical confession may be explained or rebutted.
  

(n.)
Acknowledgment; avowal, especially in a matter pertaining to one's self; the admission of a debt, obligation, or crime.
  

(n.)
Acknowledgment of belief; profession of one's faith.
  

(n.)
A formulary in which the articles of faith are comprised; a creed to be assented to or signed, as a preliminary to admission to membership of a church; a confession of faith.
  

A statement made by a person suspected or charged with a crime, that he (or she) did, in fact, commit that crime. - (read more on Confession)