Cách sử dụng
Valediction is a formal way of saying goodbye or bidding farewell. It is typically used in formal occasions such as graduation ceremonies or in business settings, where it is important to express gratitude or respect before parting ways. Valediction can also refer to a speech or written message given at the end of an event or correspondence. So, if you want to say goodbye in a formal manner, you can use the word valediction.