| observant(adjective, open, friendly, sympathetic, ready) |
| on deck(expression, adjective, open, free, friendly) |
| on tap(expression, adjective, open, free, fit) |
| on the pad(expression, idiom) |
| on the take(expression, idiom) |
| open-door(adjective, open, free, fit, friendly) |
| open to |
| open to suggestions(expression, adjective, idiom, open, friendly) |
| operative(adjective, open, free, fit, friendly) |
| penetrable |
| perceptive(adjective, open, ready, sensitive, accessible) |
| permitted(adjective, open, free, fit, friendly) |
| persuadable(adjective, open, friendly, sympathetic, ready) |
| philanthropic(adjective, kind, caring, compassionate) |
| polite(adjective, kind, pleasant, easy, gentle) |
| practicable(adjective, open, free, fit, friendly) |
| proper(adjective, open, free, fit, friendly) |
| public(adjective, open, free, fit, friendly) |
| purchasable |
| quick to sympathize(adjective, help, friendly, kindness, charity) |