aggroup, group - form a group or group together

meet - meet by design; be present at the arrival of; "Can you meet me at the train station?"

encounter, meet, ran into, run across, come across, see - come together; "I'll probably see you at the meeting"; "How nice to see you again!"

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

hive - move together in a hive or as if in a hive; "The bee swarms are hiving"

fort, fort up - gather in, or as if in, a fort, as for protection or defense

convene - meet formally; "The council convened last week"

cluster, constellate, flock, clump - come together as in a cluster or flock; "The poets constellate in this town every summer"

crowd together, crowd - to gather together in large numbers; "men in straw boaters and waxed mustaches crowded the verandah"

converge - move or draw together at a certain location; "The crowd converged on the movie star"

interact - act together or towards others or with others; "He should interact more with his colleagues"

turn out - come and gather for a public event; "Hundreds of thousands turned out for the anti-war rally in New York"

caucus - meet to select a candidate or promote a policy

club - gather and spend time together; "They always club together"