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v. ex·tem·po·rized, ex·tem·po·riz·ing, ex·tem·po·riz·es
To do or perform (something) without prior preparation or practice: extemporized an acceptance speech.
To perform an act or utter something in an impromptu manner; improvise: "[When] the house lights dimmed, she could no longer read what she had written and was forced to extemporize" (Dale Peterson).

[From extempore.]

ex·tem′po·ri·za′tion (-pər-ĭ-zā′shən) n.
ex·tem′po·riz′er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.extemporization - a performance given extempore without planning or preparation
performance - the act of presenting a play or a piece of music or other entertainment; "we congratulated him on his performance at the rehearsal"; "an inspired performance of Mozart's C minor concerto"


Something improvised:
References in periodicals archive ?
In 2000, Geem and Loganathan introduced a population-based algorithm which is based on the principles of the extemporization process in jazz instruments [45].
The structured interludes behind Kew Ross's dance narrative also permitted extemporization, and this blending of communal purpose with individual freedom was highly expressive.
extemporization, offered a respectable and more serious veneer of
It's an artform that can give us a painless way of understanding ourselves." Expanding on this broad claim, Marsalis explains that since group extemporization is the jazz tradition's aesthetic centre, then naturally the music constitutes the most essential embodiment of the American necessity of negotiating diverse agendas.
The narrating voice frames this invitation in terms of a longer-term relationship between Stephen and the Bloom family, considering the advantages of "a prolongation of such an extemporization" for Molly as well as Bloom and Stephen (17.936-39).
"Extemporization: Improvising on some given musical material, or as a pastiche of a style of composition, maintaining the musical and dynamic characteristics of the style" (Wigram, 2004, p.
And I'm not talking about the blues, of course, but rather extemporization --the idea of composition being a living, breathing, dynamic process.
He held Extemporization concert in theatre of Paris, concert in historical Palace of Versailles and concert in Music Conservator Rome-Italy.
Cartagena Calderon argues, increasingly preoccupied with masculinity, Spanish actresses participated in a masculine discourse through the conventions of cross-dressing and the practice of extemporization, introduced by Italian Commedia dell'Arte troupes in the 1570s.
His installations, created without a blueprint, emerge from a process of tinkering and fiddling as workers add and insert shapes in a theatrical form of extemporization. In such works the artist's subjectivity lies squarely in the use and manipulation of worker "stand-ins." Ask Liu how a particular shape or form came about and he will shrug his shoulders and defer to his workers, as if he had nothing to do with any of it.
These officials were charged with detecting what might be described as the Achilles heel of censorship: extemporization, for however strict the system of stage censorship, is it is virtually impossible for the authorities to ensure that the script that has been approved will be performed unchanged and without subversive nonverbal additions.
In outmaneuvering Gorbachev he had exhibited adaptability, "feline" intuitiveness, a capacity for extemporization, and other qualities extolled by Colton; now a darker side emerged, that of the unprincipled opportunist regurgitated by an atrophying system he was destined to bury.