Jocund : Merry; cheerful; gay; airy; lively; sportive.

Jocund adv. : Merrily; cheerfully.

Example:
What is the meaning of the word 'Jocund'?

Taxonomy
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Defination from the web:
jocund from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... of high spirits and lively mirthfulness <a poet could not but be gay, in such a jocund company — William Wordsworth> synonyms see merry ...