1. to collect or assemble something slowly over time in incremental amounts
The company began to gather gradually more investors throughout the year.
A empresa começou a acumular gradualmente mais investidores ao longo do ano.
2. to increase or build up in a slow, progressive manner
Momentum for the project began to gather gradually as more people learned about it.
O impulso para o projeto começou a acumular gradualmente conforme mais pessoas ficavam sabendo disso.