extemporize

she had to extemporize during the presentation when the projector failed.

he can extemporize a speech on any topic without preparation.

during the meeting, she had to extemporize answers to unexpected questions.

the musician was able to extemporize a beautiful melody on the spot.

he often extemporizes when he runs out of prepared material.

she is skilled enough to extemporize during interviews.

in the debate, he had to extemporize his arguments as new points arose.

the actor was required to extemporize some lines during the rehearsal.

she had to extemporize her performance when the lights went out.

he managed to extemporize a solution to the problem on the fly.