Vivat is a Latin word that means "long live" or "hooray." There are several synonyms that can be used in place of this word to express a similar sentiment. Some of the common synonyms for vivat include cheers, hurrah, huzzah, and bravo. These words are often used as a form of celebration or to commemorate an occasion or event. Additionally, vivat may also be replaced with other Latin phrases such as "ad perpetuam memoriam" which means "to perpetuate the memory" or "in perpetuity." These synonyms can be utilized in various settings and statements to express joy, gratitude, or appreciation.