roll up, collect, accumulate, pile up, amass, compile, hoard -- (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")
compose, compile -- (put together out of existing material; "compile a list")
compile -- (use a computer program to translate source code written in a particular programming language into computer-readable machine code that can be executed)