| naive(adjective, open, weak, simple, easy) |
| innocent(adjective, open, simple, easy, honest) |
| simple(adjective, open, simple, easy, honest) |
| ingenuous(adjective, simple, honest, pure, natural) |
| young(adjective, tender, little, immature, childish) |
| childish(adjective, weak, tender, pure, new) |
| unsophisticated(adjective, simple, honest, plain, tender) |
| artless(adjective, simple, easy, honest, plain) |
| puerile(adjective, like a boy) |
| candid(adjective, simple, easy, honest, plain) |
| direct(adjective, open, simple, easy, plain) |
| youthful(adjective, weak, tender, new, little) |
| guileless(adjective, simple, honest, plain, pure) |
| immature(adjective, tender, pure, new, innocent) |
| trusting(adjective, open, simple, easy, honest) |
| babyish(adjective, youth) |
| credulous(adjective, simple, easy, pure, innocent) |
| dewy-eyed |
| infantile(adjective, youth) |
| juvenile(adjective, weak, tender, innocent, green) |