juncture
noun.
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
Synonym: occasion
noun.
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
noun.
the shape or manner in which things come together and a connection is made