work up

verb

1. To raise; to excite; to stir up.

   “He worked up the public's passions to rage.”

   “In the eyes of Mr. Farquhar Fenelon Cooke the apotheosis of the Celebrity was complete. The people of Asquith were not only willing to attend the house-warming, but had been worked up to the pitch of eagerness.”

2. To develop.

   “work up a sweat”

   “I shall have worked up an appetite with all this heavy work.”

3. To give (a patient) a general medical examination to assess health and fitness.
4. To use up (material, etc.).
5. To set at an irksome or needless task.