accumulate

1. (transitive) To heap up in a mass; to pile up; to collect or bring together (either literally or figuratively), often gradually and without active intent.Examples: "He wishes to accumulate a sum of money."Synonyms: amass, heap, hoard, store, accumulate, agglomerate, amass, build uptransitive

2. (intransitive) To gradually grow or increase in quantity or number.Examples: "With her company going bankrupt, her divorce, and a gambling habit, debts started to accumulate so she had to sell her house."; "Ill fares the land, to hastening ills a prey, / Where wealth accumulates, and men decay."Synonyms: aggregate, amound, collect, gatherintransitive

3. (education, dated) To take a higher degree at the same time with a lower degree, or at a shorter interval than usual.dated