Wiktionary
adv. In a cumulative manner.
WordNet
adv. in a cumulative manner; "mind has become self-reproducing through man's capacity to transmit experience and its products cumulatively"
Usage examples of "cumulatively".
Kuhn said, because successive paradigms cumulatively disclose more and more interesting data.
By the same token, since little was known about the natural ability of biological systems to repair radiation damage, it was assumed that the effects would accrue cumulatively with dose—a bit like equating a shot of whiskey every night for a month with a full bottle straight down.
And wealthy as they may be, they can't begin to match the resources which we, cumulatively, routinely devote to nurturing our relationships with the League's political leadership, media outlets, and civil service.
By the same token, since little was known about the natural ability of biological systems to repair radiation damage, it was assumed that the effects would accrue cumulatively with dose—.