Synonyms for congregate

Verb

1. congregate, meet, gather, assemble, forgather, foregather

usage: come together, usually for a purpose; "The crowds congregated in front of the Vatican on Christmas Eve"

Adjective

1. accumulated, amassed, assembled, collected, congregate, massed, concentrated (vs. distributed)

usage: brought together into a group or crowd; "the accumulated letters in my office"