Synonyms for accumulate

verb

1. To amass

   gather, collect, amass, mass, hoard, get together, pile up, heap, store, assemble, cache, muster, aggregate, cumulate, concentrate, compile, agglomerate, accrue, pile, scrape together, scrape up, stack up, stockpile, store up, garner, heap up, heap together, procure, acquire, gain, load up, attach, draw together, bring together, rake up, lump together, amalgamate, unite, incorporate, add to, save, bank, profit, make money, build up, gain control of, drag in*, haul in*, rake in*, roll in*, squirrel away*.

   Antonyms scatter*, squander, distribute.

2. To increase

   swell, build up, expand, mount up; see grow 1.