copious in WordNet English dictionary

1. affording an abundant supply
   "had ample food for the party"; "copious provisions"; "food is plentiful"; "a plenteous grape harvest"; "a rich supply"
   ample  copious  plenteous  plentiful  rich 
   
2. large in number or quantity (especially of discourse)
   "she took copious notes"; "a subject of voluminous legislation"
   copious  voluminous