Entertaiment is an interesting, versatile medium that has demonstrated the capacity to evolve and adapt. It may be a simple pastime, such as a crossword puzzle, or an elaborate entertainment such as a theatrical production or an extravagant ball. The term entertainment has come to be strongly associated with amusement and fun, but many forms of entertainment also have a more serious or even political purpose. For example, a ceremony, religious festival, or even satire may provide entertainment as well as education and insight. The synonyms for enter are penetrate, pierce, and probe, all of which have the same strong implication of finding or forcing a way in.