Jovial
WordNet
adjective
(1) Full of or showing high-spirited merriment
"When hearts were young and gay"
"A poet could not but be gay, in such a jocund company"- Wordsworth
"The jolly crowd at the reunion"
"Jolly old Saint Nick"
"A jovial old gentleman"
"Have a merry Christmas"
"Peals of merry laughter"
"A mirthful laugh"