The crossword solution for the term 'Castle of Dance' is 'Irene', which is a five-letter word. Irene is a female given name derived from the Greek Εἰρήνη (Eirēnē), meaning 'PEACE'. It is also associated with the goddess of PEACE in Greek mythology. In the context of the term 'Castle of Dance', Irene could be referring to the famous ballet dancer, Irene Castle, who was one of the first ballroom dancers to become a celebrity.