| hoarded(adjective, concentrated, collected, assembled) |
| huddled(adjective, concentrated, collected, assembled) |
| lumped together(expression, adjective, select, concentrated, collected) |
| marshaled(adjective, concentrated, collected, assembled, accumulated) |
| massed(verb, adjective, assemble, select, concentrated) |
| met(adjective, concentrated, collected, assembled) |
| mobilized(adjective, concentrated, collected, assembled, accumulated) |
| picked(adjective, concentrated, collected, assembled, accumulated) |
| piled(adjective, concentrated, collected, assembled) |
| rounded up(expression, adjective, concentrated, collected, assembled) |
| stacked(adjective, concentrated, collected, assembled, accumulated) |
| stored(adjective, concentrated, collected, assembled, accumulated) |
| summoned(adjective, concentrated, collected, assembled, accumulated) |
| swarmed(adjective, concentrated, collected, assembled, accumulated) |
| thronged(verb, adjective, select, concentrated, collected) |
| crowded together(expression, adjective, select, concentrated, collected) |
| SRO |
| accumulate(verb, meet, assemble, concentrate, summon) |
| acted as a forum for(verb, phrasal verb) |
| aggregate |