Definition of approach:
(v) :
to come or go near, in place or time; to draw nigh; to advance nearer; to draw near, in a figurative sense; to make advances; to approximate
"wherefore approached ye so nigh unto the city? —2 Sam. xi. 20."
(n) :
the act of drawing near; a coming or advancing near; an access, or opportunity of drawing near
"the approach of summer. —Horsley."