Board and fare (3,2)
I believe the answer is:
get on
I believe this clue is a double definition.
'board' is the first definition.
(I've seen this before)
'fare' is the second definition.
(I've seen this before)
'and' is the link.
(Other definitions for get on that I've seen before include "What boarders do" , "Board - prosper" , "Board (a bus)" , "Enjoy harmonious relationship" , "Age; prosper" .)