The Collaborative International Dictionary
Ebulliency
Ebullience \E*bul"lience\ (?; 106), Ebulliency \E*bul"lien*cy\,
n.
A boiling up or over; effervescence.
--Cudworth.
Wiktionary
ebulliency
n. ebullience
Usage examples of "ebulliency".
But even their ebulliency became somewhat muted in the presence of a Family member, so that you could usually track an aristocrat's path through the crowds by the relative quiet that surrounded them.