* Formal: The jovial atmosphere at the party was infectious, and soon everyone was laughing and chatting.
* Informal: My grandfather is a jovial old man, always cracking jokes and making everyone smile.
* Descriptive: Despite the difficult situation, the team remained jovial, confident they could find a solution.
* Contrasting: While the boss was usually stern and serious, today he was in a jovial mood, cracking jokes and sharing stories.
Remember, "jovial" means cheerful and good-humored, so use it to describe a person or situation that is lighthearted and pleasant.