Numerous, A great/good deal of, A lot of, Plenty of, Countless, Innumerable, Scores of, Crowds of, Droves of, An army of, A horde of, A multitude of, A multiplicity of, Multitudinous, Multiple, Untold, Several, Various, Sundry, Diverse, Assorted, Multifarious, Copious, Abundant, Profuse, An abundance of, A profusion of, Lots of, Umpteen, Loads of, Masses of, Stacks of, Scads of, Heaps of, Piles of, Bags of, Tons of, Oodles of, Dozens of, Hundreds of, Thousands of, Millions of, Billions of, Zillions of, Gazillions of, Bajillions of, A slew of, A boatload of, More —— than one can shake a stick at, Myriad, Divers, People, Common people, Masses, Multitude, Populace, Public, Rank and file, Proletariat, Mob, Hoi polloi, (common) herd, Riffraff, Rabble, Great unwashed, Proles, Plebs

(Adjective : A quantifier that can be used with count nouns and is often preceded by `as' or `too' or `so' or `that'; amounting to a large but indefinite number)