| satisfying(adjective, cool, kind, gentle, mild) |
| serene |
| sheer(adjective, simple, clean, plain, pure) |
| simplehearted(simple, easy, real, genuine, unaffected) |
| sincere(honest, plain, natural, straightforward, straight) |
| single(adjective, simple, clean, plain, pure) |
| snug as a bug in a rug(expression, adjective, idiom, warm, relaxed) |
| sociable |
| spartan(adjective, simple, clean, plain, pure) |
| spontaneous(adjective, open, simple, easy, modest) |
| sporty(adjective, simple, easy, plain, modest) |
| sympathetic(adjective, cool, kind, gentle, mild) |
| throwaway(adjective, simple, easy, plain, modest) |
| tranquil |
| trusting(simple, easy, real, genuine, unaffected) |
| unadorned(adjective, simple, clean, plain, pure) |
| unadulterated(adjective, simple, clean, plain, pure) |
| unalloyed(adjective, simple, clean, plain, pure) |
| unambitious(simple, honest, modest, humble, unaffected) |
| unartificial(adjective, simple, honest, modest, natural) |