circle

[1]	encircle , circumambulate , go round/around , tour , circumnavigate
[2]	encircle , surround , gird , enclose , circumscribe
[3]	circulate
[4]	encircle

[1]	disc/(Mainly US) disk , ring , hoop , loop , band , wheel , annulus , ringlet , cordon
[2]	set , set , band , coterie , clique , lot , class , division , group , crowd , society , fellowship , fraternity , company
[3]	lap , circuit
[4]	traffic circle , rotary , roundabout
[5]	R-2 , Mexican valium , rophy , rope , roofy , roach , forget me drug
[6]	dress circle
[7]	round