Dictionary.net

• Descriptive notice of series of events, e.g. of course of study, concert, &c.; definite plan of intended proceedings; (colloq.) what is the p. for (what are we going to do) to-day?; p.-music (intended to suggest series of scenes or events); (v.t.) make a p. or definite plan of. [Latin]

1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry