The Collaborative International Dictionary
Improvisate
Improvisate \Im*prov"i*sate\, a. [See Improvise.] Unpremeditated; impromptu; extempore. [R.]
Improvisate
Improvisate \Im*prov"i*sate\, v. t. & i. [imp. & p. p. Improvisated; p. pr. & vb. n. Improvisating.] To improvise; to extemporize.
Wiktionary
improvisate
unpremeditated; impromptu v
To improvise; to extemporize.