WordNet (r) 3.0 (2006):

turn around
    n 1: turning in an opposite direction or position; "the reversal
         of the image in the lens" [syn: reversal, turn around]
    v 1: turn abruptly and face the other way, either physically or
         metaphorically; "He turned around to face his opponent";
         "My conscience told me to turn around before I made a
         mistake" [syn: swing around, swing about, turn
         around]
    2: improve dramatically; "The new strategy turned around sales";
       "The tutor turned around my son's performance in math"
    3: improve significantly; go from bad to good; "Her performance
       in school picked up" [syn: turn around, pick up]

Moby Thesaurus II by Grady Ward, 1.0:

67 Moby Thesaurus words for "turn around":
   break back, change back, circle, circulate, circumrotate,
   circumvolute, come about, convert, crank, cry back, do a flip-flop,
   do an about-face, evert, fetch about, flip-flop, go about,
   go around, go back, go round, gyrate, gyre, hark back, heel,
   introvert, intussuscept, invaginate, inverse, invert, pirouette,
   pivot, pivot about, pronate, put about, resupinate, reverse,
   revolve, rotate, round, screw, spin, supinate, swing, swing round,
   swivel, transpose, turn, turn a pirouette, turn about, turn back,
   turn down, turn in, turn inside out, turn out, turn over,
   turn round, turn tail, turn the scale, turn the tables,
   turn upside down, twist, veer, veer around, wamble, wheel,
   wheel about, whirl, wind