1. A concluding statement or final section of a written work, speech, or argument that is not mandatory but may be included at the discretion of the author or speaker
The professor noted that the epilogue was an optional conclusion to the thesis.
O professor observou que o epílogo era uma conclusão facultativa da tese.
2. In logic or rhetoric, a final statement that may be inferred but is not necessarily required
The optional conclusion allows readers to form their own final thoughts.
A conclusão facultativa permite que os leitores formem seus próprios pensamentos finais.