To collect into a mass or heap; to gather a great quantity of; to accumulate; as, to amass a treasure or a fortune; to amass words or phrases.
- To gather for oneself, as for one's pleasure or profit: amassed a fortune. See Synonyms at gather.
- To accumulate or assemble a large quantity of: "The astronomers had amassed compelling evidence that the galaxies indeed were speeding away from the earth and from each other” ( George Johnson).
- To come together; collect.