Jocund
Part of speech: adjective
Definition: jovial, exuberant, lighthearted; merry and in high spirits : exhibiting happiness
Jolly
Part of speech: adjective
Definition: Full of high and merry spirits; jovial.
Part of speech: noun
Definition: a pleasure trip or excursion
Part of speech: adverb
Definition: very, extremely
Part of speech: verb
Definition: To amuse or divert.
Example sentence: I've known Don since he came to Washington. When he first came to work for George W. Bush, he was a different Don Rumsfeld. He was jolly, full of life, and ready to go to war, but only if we could win.