gymnasium (n.)

• agora
• amphitheater
• arena
• auditorium
• background
• bowl
• campus
• canvas
• circus
• cockpit
• coliseum
• colosseum
• course
• court
• diamond
• fairway
• field
• floor
• forum
• gridiron
• ground
• gym
• hall
• hippodrome
• infield
• links
• locale
• marketplace
• mat
• milieu
• outfield
• oval
• palaestra
• pit
• place
• platform
• playground
• playroom
• poolroom
• precinct
• purlieu
• racecourse
• range
• ring
• rink
• scene
• scenery
• setting
• site
• sphere
• stadium
• stage
• stretch
• terrain
• theater
• tiltyard
• track
• turf
• walk