stack up

verb

1. To put into a stack.

   “Stack up the boxes.”

2. to pile up; to accumulate.
3. To put a group of abstract things together.

   “to stack up memories”

4. Often followed by against or among: to compare with (something); to measure up.

   “"How Populations Stack Up Among Nations At War" (name of the article)”

   “This is a great outline. Fantastic. If yours doesn't stack up, you won't get a chance to look at it.”