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Verb: work up
  1. Form or accumulate steadily
    - build up, build, progress
  2. Develop
    "we worked up an as of an appetite";
    - get up
  3. Bolster or strengthen
    "We worked up courage";
    - build up, build, ramp up
  4. Come up with
    "We worked up an ad for our client";
    - work out

Derived forms: worked up, working up, works up

Type of: acquire, develop, get, grow, increase, make grow, produce