amass
verb
[ əˈmas ]
• gather together or accumulate (a large amount or number of material or things) over a period of time.
• "he amassed a fortune estimated at close to a million pounds"
Similar:
gather,
collect,
assemble,
accumulate,
stockpile,
pile up,
heap up,
rack up,
run up,
scrape together,
store (up),
hoard,
cumulate,
accrue,
lay in/up,
garner,
stash (away),
Origin:
late 15th century: from French amasser or medieval Latin amassare, based on Latin massa ‘lump’ (see mass).