confess in WordNet English dictionary

1. admit (to a wrongdoing)
   "She confessed that she had taken the money"
   concede  profess  confess 
   
2. confess to a punishable or reprehensible deed, usually under pressure
   confess  squeal  fink 
   
3. confess to God in the presence of a priest, as in the Catholic faith
   confess