The term 'more open' can be described by four crossword solutions: AIRIER (6 letters), WIDER (5 letters), FREER (5 letters), and FRANKER (7 letters). AIRIER means having more air or being less dense, WIDER means having a greater distance between two points, FREER means having more freedom, and FRANKER means being more honest or direct. Together, these words describe a situation that is more open in terms of air, space, freedom, and honesty.