| on the line(expression, idiom, nonresistant, gullible, unsuspicious) |
| on the spot(expression, idiom, nonresistant, gullible, unsuspicious) |
| open(adjective, simple, innocent, childlike, trusting) |
| out on limb(expression, idiom, nonresistant, gullible, unsuspicious) |
| pally(friendly, unsuspicious, kissy-huggy) |
| palsy-walsy(friendly, unsuspicious, kissy-huggy) |
| plain(adjective, simple, innocent, sincere, childlike) |
| pregnable(nonresistant, gullible, unsuspicious) |
| sensile(nonresistant, gullible, unsuspicious) |
| simple(adjective, innocent, childlike, trusting) |
| sincere(adjective, simple, plain, innocent, childlike) |
| square(adjective, simple, innocent, childlike, trusting) |
| string along with(expression, idiom, friendly, unsuspicious, kissy-huggy) |
| susceptible(nonresistant, gullible, unsuspicious) |
| swallowing whole(expression, nonresistant, gullible, unsuspicious) |
| taken in(expression, friendly, nonresistant, gullible, unsuspicious) |
| taking the bait(expression, idiom, nonresistant, gullible, unsuspicious) |
| true blue(expression, friendly, unsuspicious, kissy-huggy) |
| trustful(friendly, nonresistant, gullible, unsuspicious, kissy-huggy) |
| trusting(adjective, simple, friendly, innocent, childlike) |