"accumulative" in the adjective sense
1. accumulative, cumulative
increasing by successive addition
"the benefits are cumulative"
"the eventual accumulative effect of these substances"
2. accumulative
marked by acquiring or amassing
"we live in an accumulative society"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License