Furnish funds for (5)
I believe the answer is:
endow
'furnish funds for' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for endow that I've seen before include "Invest" , "Bequeath or give an income or property to" , "Provide (with financial support, qualities etc)" , "Furnish, award" , "Establish (university post) by giving funds" .)