Confessed is a commonly used word which is mostly used in legal and religious contexts. But in order to avoid repetition in our daily conversations, we can use some synonyms. One alternative could be "admitted," which means to acknowledge or confess to wrongdoing. Another option is "declared," which implies a voluntary announcement of something, whether it's a fault or a truth. We can also use "revealed," which carries the connotation of making known something that was previously secret or unknown. "Avowed" is a more formal synonym which means to own or acknowledge something openly and publicly. Lastly, there is "conceded," which suggests a reluctant or partial acknowledgement of responsibility or fault.