with gay abandon
blithely
carefreely
happy as a clam
happy as a jaybird
boisterously
rollickingly
happy as Larry
lotus-eater
jaunty
debonair
chipper
debonaire
lightsome
light-hearted
blithe
blithesome
good-time Charlie
lighthearted
good-natured
pleasure cruise
wanton
breeze
chirpy
happy panda
fun-lover
soft
worryless
easy
gas and gaiters
unhurried
gather rosebuds
cheery
happy as a pig in shit
sans-souci
toddle
alacrious
radiant
high-spiritedness
get one's ya-yas out
in clover
cheerfully
bindaas
rejoice
let oneself go
not have a care in the world
bloomsome
lark
bebop
good spirits
casualness
exhilarating
rollicking
breezy
contentment
let it all hang out
merrily
elating
contentfully
dreamy
comfortably
frowst
go with a swing
upbeatly
in the moment
sweep along
sociable
all smiles
businesslike
happy as a lark
pleasantly
sparrow
calmly
gayly
good guy
patulously
mirthfully
enjoyably
happily
jubilantly
mellow
loosely
B
agreeably
in good spirits
slackly
dulcet
lightheartedly
cucumber
spiritoso
like the cat that got the cream
blissful
obliging
freewheeler