Turnout

Noun

 * 1) attendance; crowd
 * This restaurant had a pretty good turnout for a Wednesday night.
 * 1) 🇺🇸 a place to pull off a road
 * When towing a trailer, use the turnouts to let faster traffic pass.
 * 1)  a place where moveable rails allow a train to switch tracks; a set of points

Thesaurus
GNP, L, accouterments, apparatus, apparel, assemblage, assemblee, assembly, assignation, at home, attendance, audience, ball, box office, boycott, boycottage, branch, brawl, cable railway, caparison, caucus, clothing, cog railway, colloquium, commission, committee, conclave, concourse, congregation, congress, conventicle, convention, convocation, council, crowd, dance, date, diet, draw, dress, eisteddfod, el, electric railway, elevated, elevated railway, embankment, equipage, equipment, feeder, feeder line, festivity, fete, fittings, forgathering, forum, four-in-hand, frequence, frequenting, furnishings, gate, gathering, gear, get-together, getup, gravity-operated railway, gross national product, guise, harness, horse railway, housewarming, job action, junction, levee, light railroad, line, livery, lockout, main line, meet, meeting, metro, monorail, muster, number present, outfit, outlaw strike, output, pair, panel, party, plenum, product, production, prom, quorum, rack railway, rack-and-pinion railway, rail, rail line, railroad, railway, rally, randem, reception, rendezvous, revolt, rig, roadbed, roadway, rulebook slowdown, seance, session, setout, shindig, sick-in, sidetrack, siding, sit-down, sit-down strike, sit-in, sitting, slowdown, soiree, span, spike, spike team, street railway, streetcar line, strike, subway, switchback, sympathy strike, symposium, synod, tandem, team, terminal, terminus, things, three-up, throng, tie-up, track, tram, tramline, trappings, trestle, trolley line, trousseau, trunk, trunk line, tube, underground, unicorn, volume, walkout, wardrobe, wildcat strike, work stoppage, yield

Etymology
From turn: + out:.

Synonyms

 * (roadside area) lay-by

Anagrams

 * outturn, out-turn