improvise: Meaning and Definition of
im•pro•vise
Pronunciation: (im'pru-vīz"), [key] — v., -vised, -vis•ing.
—v.t. - to compose and perform or deliver without previous preparation; extemporize: to improvise an acceptance speech.
- to compose, play, recite, or sing (verse, music, etc.) on the spur of the moment.
- to make, provide, or arrange from whatever materials are readily available: We improvised a dinner from yesterday's leftovers.
—v.i. - to compose, utter, execute, or arrange anything extemporaneously: When the actor forgot his lines he had to improvise.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.