'work up' definitions:

Definition of 'work up'

(from WordNet)
verb
Form or accumulate steadily; "Resistance to the manager's plan built up quickly"; "Pressure is building up at the Indian-Pakistani border" [syn: build up, work up, build, progress]
verb
Develop; "we worked up an as of an appetite" [syn: work up, get up]
verb
Bolster or strengthen; "We worked up courage"; "build up confidence"; "ramp up security in the airports" [syn: build up, work up, build, ramp up]
verb
Come up with; "His colleagues worked out his interesting idea"; "We worked up an ad for our client" [syn: work out, work up]

Synonyms of 'work up'

From: Moby Thesaurus

Words containing 'work up'