She delivered an improvisatory speech that won over the skeptical committee.

The aging improvisatores gathered by the canal traded stories of lost melodies and bold experiments.

Her improvisatorial performance captivated the audience and transformed the entire evening.

Faced with the power outage, the dining staff worked improvisatorially to keep service running smoothly.

When the sound system malfunctioned, the band improvisatorily rearranged the set to keep the audience entertained.