| verb | collect or gather “Journals are accumulating in my office” |
| verb | get or gather together “I am accumulating evidence for the man's unfaithfulness to his wife” |
| accumulative | adjective | increasing by successive addition |
| accumulation | noun | the act of accumulating |
| cumulative | adjective | increasing by successive addition |
| cumulus | noun | a collection of objects laid on top of each other |
| cumulation | noun | a collection of objects laid on top of each other |
| conglomeration | noun | a sum total of many heterogenous things taken together |
| gathering | noun | the act of gathering something |
| collection | noun | the act of gathering something together |
| collecting | noun | the act of gathering something together |
| compilation | noun | something that is compiled (as into a single book or file) |