effervesce

effervesce is a   Verb

Definition:

[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.

Synonyms: