large indefinite amount, large indefinite quantity - an indefinite quantity that is above the average in size or magnitude

assemblage, gathering - a group of persons together in one place

hive - a teeming multitude

horde, host, legion - a vast multitude

ruck, herd - a crowd especially of ordinary or undistinguished persons or things; "his brilliance raised him above the ruck"; "the children resembled a fairy herd"

group, grouping - any number of entities (members) considered as a unit

laity, temporalty - everyone except the clergy

audience - the part of the general public interested in a source of information or entertainment; "every artist needs an audience"; "the broadcast reached an audience of millions"

followers, following - a group of followers or enthusiasts