All extemporize antonyms

verb extemporize

• prepare — to put in proper condition or readiness: to prepare a patient for surgery.
• plan — a scheme or method of acting, doing, proceeding, making, etc., developed in advance: battle plans.
• read — to look at carefully so as to understand the meaning of (something written, printed, etc.): to read a book; to read music.
• rehearse — to practice (a musical composition, a play, a speech, etc.) in private prior to a public presentation.