forum (n.)

• agora
• airing
• amphitheater
• analysis
• arena
• assembly
• assignation
• auditorium
• background
• ball
• board
• bowl
• brawl
• campo
• campus
• canvas
• canvassing
• caucus
• circus
• cockpit
• coliseum
• colloquium
• colosseum
• commission
• committee
• conclave
• concourse
• conference
• congregation
• congress
• consideration
• conventicle
• convention
• convocation
• council
• course
• curia
• dance
• date
• debate
• deliberation
• dialectic
• dialogue
• diet
• discussion
• eisteddfod
• examination
• festivity
• fete
• field
• floor
• gathering
• ground
• gym
• gymnasium
• hall
• hippodrome
• housewarming
• inquisition
• investigation
• judicatory
• judicature
• judiciary
• levee
• locale
• market
• marketplace
• mart
• mat
• meet
• meeting
• milieu
• palaestra
• panel
• party
• piazza
• pit
• place
• platform
• plaza
• plenum
• precinct
• prom
• purlieu
• quorum
• rally
• range
• rap
• reception
• rendezvous
• review
• ring
• scene
• scenery
• seance
• seminar
• session
• setting
• shindig
• sit-in
• site
• sitting
• soiree
• sphere
• square
• stadium
• stage
• study
• symposium
• synod
• terrain
• theater
• tiltyard
• treatment
• tribunal
• turnout
• ventilation
• walk