amass
amass
/əˈmæs/ verb , amass·es, amassed, amass·ing [ + obj ]
: to gather or collect (something, such as a large amount of money) especially for yourself
By the time he was 21, he had already amassed [=accumulated] a great fortune.
The police are amassing [=gathering] further evidence against him.
They've amassed a wealth of information.
