pile up

Verb

WordNet 3.0

collect or gather“Journals are accumulating in my office”“The work keeps piling up”Synonyms: accumulate cumulate conglomerate pile up gather amass
arrange into piles or stacks“She piled up her books in my living room”Synonyms: pile up heap up stack up
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”Synonyms: roll up collect accumulate pile up amass compile hoard