plentiful -- (existing in great number or quantity; "rhinoceroses were once plentiful here")
ample, copious, plenteous, plentiful, rich -- (affording an abundant supply; "had ample food for the party"; "copious provisions"; "food is plentiful"; "a plenteous grape harvest"; "a rich supply")
bountiful, plentiful -- (producing in abundance; "the bountiful earth"; "a plentiful year"; "fruitful soil")