| forthright(adjective, simple, plain, fresh, innocent) |
| harmless(adjective, simple, fresh, innocent, ignorant) |
| humoring(adjective, calm, light, soft, informal) |
| hurtless(adjective, kindly, ignorant, naive, unknowing) |
| impulsive(adjective, simple, plain, fresh, innocent) |
| inclined to believe(expression, idiom) |
| indulgent(adjective, calm, light, soft, informal) |
| inexperienced(adjective, simple, innocent, ignorant, naive) |
| infatuated |
| innocuous(adjective, simple, fresh, innocent, ignorant) |
| innoxious(adjective, kindly, ignorant, naive, unknowing) |
| inobnoxious(adjective, kindly, ignorant, naive, unknowing) |
| inoffensive(adjective, kindly, ignorant, naive, unknowing) |
| instinctive(adjective, simple, plain, fresh, innocent) |
| kindly(adjective, calm, light, soft, informal) |
| lain |
| lamb(adjective, simple, plain, fresh, innocent) |
| lax(adjective, calm, light, soft, informal) |
| lenient(adjective, calm, light, soft, informal) |
| liberal(adjective, calm, light, soft, informal) |