Example : Build up your savings.

Example : Resistance to the manager's plan built up quickly.
Pressure is building up at the Indian-Pakistani border.

Synonyms : build, progress, work up

Example : The U.S. is girding for a conflict in the Middle East.
Troops are building up on the Iraqi border.

Synonyms : arm, fortify, gird

Example : We worked up courage.
Build up confidence.
Ramp up security in the airports.

Synonyms : build, ramp up, work up

Example : Develop land.
The country developed its natural resources.
The remote areas of the country were gradually built up.

Synonyms : develop