Definition of rejoicement in US English:

rejoicement

noun

rare
  • Joy, exultation, rejoicing; an instance of this.

Origin

Early 16th century. From rejoice + -ment, probably originally after Middle French resjoyssement, rejoyssement, resjouissement, etc.

Pronunciation

rejoicement

/rɪˈdʒɔɪsm(ə)nt/