juncture (
http://definr.com/juncture)
n 1: 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" [syn:
occasion]
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:
critical point,
crossroads]
3: the shape or manner in which things come together and a
connection is made [syn:
articulation,
join,
joint,
junction]