You searched for: “improvisation”
improvisation
1. A creation spoken or written or composed extemporaneously (without prior preparation).
2. An artifact that has been brought into existence by someone; especially a musical passage or a dramatic skit.
This entry is located in the following units: -ation, -ization (-iz[e] + -ation); -isation (British spelling variation) (page 51) vid-, video-, vis-, -vision, -visional, -visionally, visuo-, vu- (page 5)