Webster's Revised Unabridged Dictionary · 1913

Congregate

Congregate , adjective

[Latin congregatus, past participle of congregare to congregate; on- + gregare to collect into a flock, from grex flock, herd. See Gregarious.]

Collected; compact; close. [Rare] — Bacon

Congregate , 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.
Any multitude of Christian men congregated may be termed by the name of a church. — Hooker
Cold congregates all bodies. — Coleridge
The great receptacle Of congregated waters he called Seas. — Milton

Congregate , intransitive verb

To come together; to assemble; to meet.
Even there where merchants most do congregate. — Shakespeare