One way to meet (4-2)
I believe the answer is:
head-on
'one way to meet' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for head-on that I've seen before include "In direct opposition" , "Of car crash, full frontal" , "Frontal, collision say" , "(Of crash) involving the front of vehicle)" , "This collision is full frontal" .)