Artificial intelligent assistant

effervescing

effervescing, ppl. a.
  (ɛfəˈvɛsɪŋ)
  [f. effervesce + -ing2.]
  That effervesces; lit. and fig.

1793 T. Beddoes Consumpt. 128 Effervescing mixture of chalk and vinegar. 1837 Carlyle Fr. Rev. iii. i. vi, He..was..conducted along the streets, amid effervescing multitudes. 1858 Holland Titcomb's Lett. vi. 222 Life's first effervescing hopes.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 2d13ec2108445eb8c4ebec2388a8628d