Give approval for (5)
(Other definitions for allow that I've seen before include "Sanction" , "Give permission to" , "Admit as acceptable" , "Permit, consent to" , "brook" .)
(Other definitions for okay that I've seen before include "All right; sanction" , "Not terrific but acceptable" , "Satisfactory; permissible" , "Give approval to" , "Passable" .)