W: (v) accumulate [Related to: accumulation] (get or gather together) "I am accumulating evidence for the man's unfaithfulness to his wife"; "She is amassing a lot of data for her thesis"; "She rolled up a small fortune"
W: (v) assemble [Related to: assemblage] (create by putting components or members together) "She pieced a quilt"; "He tacked together some verses"; "They set up a committee"