Arena

Noun

 * 1) An enclosed area, often outdoor, for the presentation of sporting events (sports arena) or other spectacular events; earthen area, often oval, specifically for rodeos (N. America) or circular area for bullfights (especially Hispanic America).
 * 2) The building housing such an area.
 * 3) (Ancient Rome) The sand-covered centre of an amphitheatre where contests were held.
 * 4) A realm in which important events unfold.

Adjectives for Arena
fit; conspicuous; commercial;frenzied; bloody; foggy; diplomatic.

Verbs for Arena
combat in—; conflict in—; contend in—;display in—; emerge from—; enclose in—; flood—; jam—; perform in—; plunge into —; strew—; surround—; throng—.

Thesaurus
academic discipline; academic specialty; ambit; amphitheater; applied science; area; art; assembly hall; auditorium; back; backdrop; background; bailiwick; beat; border; borderland; chapel; cincture; circle; circuit; circus; close; concern; concert hall; confine; container; convention hall; coop; court; courtyard; curtilage; dance hall; delimited field; demesne; department; department of knowledge; discipline; distance; domain; dominion; enclave; enclosure; exhibition hall; field; field of inquiry; field of study; fold; gallery; ground; hall; hemisphere; hinterland; judicial circuit; jurisdiction; lecture hall; list; locale; march; meetinghouse; mise-en-scene; music hall; natural science; ology; opera house; orb; orbit; pale; paling; park; pen; precinct; province; pure science; quad; quadrangle; realm; rear; ring; round; scene; science; setting; social science; specialty; sphere; square; stadium; stage; stage set; stage setting; study; technicology; technics; technology; theater; toft; walk; yard