Receptive (to) (4)
I believe the answer is:
open
(Other definitions for open that I've seen before include "Affording access" , "Start - frank" , "ready to entertain new ideas" , "'Frank, not secret (4)'" , "Not enclosed" .)
I believe the answer is:
open
(Other definitions for open that I've seen before include "Affording access" , "Start - frank" , "ready to entertain new ideas" , "'Frank, not secret (4)'" , "Not enclosed" .)