Usage examples (22)

• Verb (used without object) : He can extemporize on any of a number of subjects
• But in the middle of its composition he began to suffer from eye trouble and, although he evidently still managed to play his organ concertos—they had in any case always relied...
• Very soon it collapsed and the process of quasi-extemporization began again, to culminate in a new fugue which often gave the whole work a happy but deceptive suggestion...
• “And,” Forrest concluded, relapsing into his natural voice and enunciation, having reached the limit of extemporization, — ­ and if you think old, sweet, blue-eyed...