| clearance(noun, authorization, permission, something, go-ahead) |
| allowance(opening, authorization, permission, go-ahead) |
| approval(authorization, permission, go-ahead) |
| assart(opening, authorization, permission, go-ahead) |
| authorization(permission, go-ahead) |
| consent(authorization, permission, go-ahead) |
| empty space(expression, opening, authorization, permission, go-ahead) |
| endorsement(authorization, permission, go-ahead) |
| expanse(opening, authorization, permission, go-ahead) |
| gap(opening, authorization, permission, go-ahead) |
| glade |
| go-ahead(authorization, permission) |
| green light(expression, authorization, permission, go-ahead) |
| headroom(opening, authorization, permission, go-ahead) |
| leave(authorization, permission, go-ahead) |
| margin(opening, authorization, permission, go-ahead) |
| okay(authorization, permission, go-ahead) |
| open space(expression, opening, authorization, permission, go-ahead) |
| opening(authorization, permission, go-ahead) |
| permission(authorization, go-ahead) |