[f. next + -ATION.] The action of speaking, or of composing and executing music, extempore; improvisation; an extempore performance.
1860. Worcester cites Athenæum.
1865. Pall Mall Gaz., 19 June, 4/1. For three-quarters of an hour last Sunday, I was obliged to listen to Mr. Y.’s extemporization.
1879. O. W. Holmes, Motley, xxi. 164. A conversation must necessarily imply a certain amount of extemporization on the part of both.
