1. A topic or matter that has been verified, validated, or officially established as true or certain
The confirmed subject of the investigation is the financial discrepancy in the accounts.
O assunto confirmado da investigação é a discrepância financeira nas contas.
2. In academic or formal contexts, a topic that has been formally approved or accepted for discussion, research, or examination
Her dissertation's confirmed subject received approval from the thesis committee.
O assunto confirmado de sua dissertação recebeu aprovação do comitê de teses.
3. In grammar, a noun or pronoun that has been definitively identified as the subject of a sentence or clause
Once the confirmed subject of the sentence was identified, the verb agreement became clear.
Uma vez que o sujeito confirmado da frase foi identificado, a concordância verbal ficou clara.