WordNet (r) 3.0 (2006):

crossroads
    n 1: a community of people smaller than a village [syn:
         hamlet, crossroads]
    2: a crisis situation or point in time when a critical decision
       must be made; "at that juncture he had no idea what to do";
       "he must be made to realize that the company stands at a
       critical point" [syn: juncture, critical point,
       crossroads]
    3: a point where a choice must be made; "Freud's work stands at
       the crossroads between psychology and neurology"

Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "crossroads":
   climacteric, clutch, convergence of events, country town, crisis,
   critical juncture, critical point, crucial period, crunch,
   emergency, exigency, extremity, ham, hamlet, hinge, pass, pinch,
   push, rub, strait, thorp, turn, turning point, village, wick