amass

definitions:
verb
1. to accumulate or collect as one's own
2. to gather in a heap; bring together

sentences:
1. The king wanted to amass a huge fortune.
2. He needs to amass his papers for his memoirs.

synonyms: accumulate, assemble

antonyms: disperse, scatter

variations:
a·mass·a·ble, adjective
a·mass·er, noun
a·mass·ment, noun
re·a·mass, verb (used with object)
re·a·mass·ment, noun