Let (something happen) (5)

I believe the answer is:
allow
(Other definitions for allow that I've seen before include "Permit, consent to" , "Grant" , "Permit, let happen" , "praise no more" , "OK" .)
I believe the answer is:
allow
(Other definitions for allow that I've seen before include "Permit, consent to" , "Grant" , "Permit, let happen" , "praise no more" , "OK" .)