definition of
accumulate

[1] #1 accumulate v. [roll up, collect, pile up, amass, compile, hoard] get or gather together; "I am accumulating evidence for the man's unfaithfulness to his wife"; "She is amassing a lot of data for her thesis"; "She rolled up a small fortune". wn

[2] #2 accumulate v. [cumulate, conglomerate, pile up, gather, amass] collect or gather; "Journals are accumulating in my office"; "The work keeps piling up". wn