1. That's known as positive feedback or snowballing.

2. Synonyms for Amassed include cumulative, accumulative, aggregate, collective, increasing, snowballing, accruing, accretive, accumulating and additive

3. Synonyms for Cumulative include acCumulative, aggregate, collective, increasing, amassed, snowballing, accruing, accretive, accumulating and additive

4. Cumulative adjective collective, increasing, aggregate, amassed, accruing, snowballing, acCumulative Skin cancer can be caused by the Cumulative effect of years of exposure to the sun

5. Our team has lately found such snowballing energy savings in more than 30 billion dollars worth of industrial redesigns -- everything from data centers and chip fabs to mines and refineries.