ebullience
— Noun
– English
~ overflowing with eager enjoyment or approval
ebullient
— Adjective
– English
~ joyously unrestrained
ebulliently
— Adverb
– English
~ in an ebullient manner; "Khrushchev ebulliently promised to supply rockets for the protection of Cuba against American aggression"
ebullition
— Noun
– English
~ an unrestrained expression of emotion
eburnation
— Noun
– English
~ a change that occurs in degenerative joint disease in which bone is converted into a dense smooth substance resembling ivory