Effervesce
Effervesce , intransitive verb
[Latin effervescere; ex + fervescere to begin boiling, incho., from fervere to boil. See Fervent.]
1.
To be in a state of natural ebullition; to bubble and hiss, as fermenting liquors, or any fluid, when some part escapes in a gaseous form.
2.
To exhibit, in lively natural expression, feelings that can not be repressed or concealed; as, to effervesce with joy or merriment.