transitive & intransitive verb .
To bring or come together in a group, crowd, or assembly. synonym: gather.
adjective.
Involving a group.
The Century Dictionary and Cyclopedia
To collect or bring together into an assemblage.; assemble; bring into one place or into a crowd or mass.
To bring to a center or focus; concentrate.
To come together; assemble; meet, especially in large numbers.
Collected; compact; close.
Of or pertaining to an assemblage or congregation; associate; joint.
the GNU version of the Collaborative International Dictionary of English
adjective.
Collected; compact; close.
intransitive verb.
To come together; to assemble; to meet.
transitive verb.
To collect into an assembly or assemblage; to assemble; to bring into one place, or into a united body; to gather together; to mass; to compact.
verb.
: To collect into an assembly or assemblage; to assemble; to bring into one place, or into a united body; to gather together; to mass; to compact.
verb.
: To come together; to assemble; to meet.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
verb.
come together, usually for a purpose
Word Usage
"When I'm on trips, I often "congregate" -- heading off to the latest ustream or online free event, but otherwise, I am very selective."