juncture in WordNet English dictionary

1. the shape or manner in which things come together and a connection is made
   articulation  join  joint  juncture  junction 
   
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"
   juncture  critical point  crossroads 
   
3. an event that occurs at a critical time
   "at such junctures he always had an impulse to leave"; "it was needed only on special occasions"
   juncture  occasion