Definition of "extemporization" [ex•tem•po•ri•za•tion]

• The act of extemporizing; the act of doing anything extempore. (noun)

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• "“And,” Forrest concluded, relapsing into his natural voice and enunciation, having reached the limit of extemporization, — ­ and if you think old, sweet, blue-eyed Solomon has anything on me in singing the Song of Songs, just put your names down for the subscription edition of my"
• "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 heavily on extemporization—he was totally blind by January 1753."
• "At Mannes College and the Curtis Institute, improvisation for classical musicians is taught by Israeli pianist and composer Noam Sivan, who incorporates improvisations into his concerts, for instance following a performance of Bach's "Goldberg Variations" with his own extemporization on the theme."