v.
1.enlarge, develop, or increase by degrees or in stages
2.form or accumulate steadily
3.prepare oneself for a military confrontation
4.bolster or strengthen
5.change the use of and make available or usable
Idiom of the Day
boil down to (something)
to reduce something to its essential or main part
The reason that we could not go on a holiday boiled down to the fact that we had no money.