| trusting(adjective, foolish, innocent, naive, gullible) |
| credulous(adjective, pure, foolish, innocent, naive) |
| ingenuous(adjective, pure, innocent, naive, artless) |
| innocent(adjective, plain, pure, foolish, naive) |
| confiding(adjective, easy, friendly, innocent, gullible) |
| gullible(adjective, innocent, green, susceptible, naive) |
| naive(adjective, plain, pure, foolish, innocent) |
| unsuspecting(adjective, friendly, foolish, green, naive) |
| unsuspicious(adjective, friendly, innocent, green, naive) |
| childlike(adjective, honest, plain, pure, innocent) |
| simple(adjective, plain, foolish, innocent, naive) |
| frank(noun, honest, plain, innocent, artless) |
| artless(adjective, honest, plain, pure, innocent) |
| trusty |
| unreserved(honest, plain, innocent, artless, unworldly) |
| unsophisticated(adjective, plain, pure, foolish, naive) |
| trustworthy |
| assured(adjective, cheerful, optimistic, rosy, expectant) |
| believing(adjective, foolish, innocent, green, naive) |
| bold |