'Joyfulness' definitions:

Definition of 'joyfulness'

From: WordNet
noun
The emotion of great happiness [syn: joy, joyousness, joyfulness] [ant: sorrow]

Definition of 'Joyfulness'

From: GCIDE
  • Joyful \Joy"ful\, a. Full of joy; having or causing joy; very glad; as, a joyful heart. "Joyful tidings." --Shak. [1913 Webster]
  • My soul shall be joyful in my God. --Is. lxi. 10. [1913 Webster]
  • Sad for their loss, but joyful of our life. --Pope. -- {Joy"ful*ly}, adv. -- {Joy"ful*ness}, n. [1913 Webster]

Definition of 'joyfulness'

From: GCIDE
  • joyfulness \joyfulness\ n. the emotion of great happiness.
  • Syn: joy, joyousness. [WordNet 1.5]