extemporized
Meaning
of Extemporize
Source: Webster's dictionarySynonyms
Examples
The filmed interview is an art extemporized under difficult conditions and successful only when the interviewee hasn't prepared his replies beforehand.
Armstrong's solos went well beyond the theme-improvisation concept, and extemporized on chords, rather than melodies.
The Legenda was intended to inspire extemporized homilies and sermons appropriate to the saint of the day.