Ais forAppointment
Cis forCelebration
A ceremony is a ritual or celebration that marks the completion of a major life event such as a wedding or graduation from school.
Dis forDate (event)
When you like someone, you might ask them out on a date to somewhere nice like a restaurant.
A parade, also called a marchpast, procession or pageant is usually part of some kind of celebration. Many people walk some distance in a line. There is usually lots of music, and the people in the parade are dressed up in fancy costumes. Sometimes there are also large, decorated vehicles called floats in a parade.