The word "improvisational" means to create or do something spontaneously without planning or preparation. It refers to the ability to think and respond quickly, usually in creative or artistic activities. Full definition
Refining her skills in improvisational theater, she later found roles in commercials and small local productions, though her future as an actress came into question as she pursued further education and a move overseas. (metacritic.com)
The week focused on improvisational skills within the context of solo body, ensemble, and duet forms. (crowleytheater.org)
He trains his eye on San Francisco as well as his longtime subject of New York, capturing iconic skyscrapers and their surrounding cast of supporting structures with improvisational linework, vivid and moody colors, and raw, beautiful surfaces. (caldwellsnyder.com)