S: (v) build up, work up, build, progress (form or accumulate steadily) "Resistance to the manager's plan built up quickly"; "Pressure is building up at the Indian-Pakistani border"
S: (v) arm, build up, fortify, gird (prepare oneself for a military confrontation) "The U.S. is girding for a conflict in the Middle East"; "troops are building up on the Iraqi border"
S: (v) build up, work up, build, ramp up (bolster or strengthen) "We worked up courage"; "build up confidence"; "ramp up security in the airports"
S: (v) build up, develop (change the use of and make available or usable) "develop land"; "The country developed its natural resources"; "The remote areas of the country were gradually built up"