Wiktionary
effervescently
adv. In an effervescent manner
Usage examples of "effervescently".
I can assure you, my outraged young friend' - the old man's knowing, disdainful eyes shone even more effervescently as Nately's stuttering dismay increased - 'that you and your country will have a no more loyal partisan in Italy than me - but only as long as you remain in Italy.
They were all tired-looking, sallow-faced from confinement, yet effervescently animated by their release.