(historical) A confession (somewhat similar to a denomination) of Russian Old Believers, which split from the Filippians in the second half of the 18th century.

(informal) confessional

(informal) confessional

To be revealed.

plural of confession booth

(Internet) a social networking platform for posting anonymous confessions and secrets, especially in school and university communities

By confessing to one's own faults, one will begin to make amends.

Statistics can be manipulated to support any conclusion.

So as to confess; by way of confession.