To gather or pile up; amass. See Synonyms at gather.(verb-transitive)
To mount up; increase.(verb-intransitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "accumulate" in a sentence
"The main thing I have realized, as the names accumulate, is the shockingly young age of some writers."
"We can accumulate from a thoughts of others a small pleasing thoughts; nonetheless a suggestion stays bankrupt as good as empty."
"The tendency of Capital to accumulate is a big threat to the free market."