ex·tem·po·rize [ ik stémpə rz ](past and past participleex·tem·po·rized, present participleex·tem·po·riz·ing, 3rd person present singularex·tem·po·riz·es)
transitive and intransitive verb
Definition:
1. perform something without preparation: to perform or say something without having made any preparation
2. music improvise music: to compose or perform a piece of music by improvising
3. handle in makeshift way: to do or devise something in a makeshift fashion