| unstudied(adjective, open, smooth, simple, easy) |
| absolute(adjective, simple, clean, plain, pure) |
| acceptable friendly(expression, cool, gentle, mild, sweet) |
| adequate(adjective, comfortable) |
| amiable(adjective, kind, gentle, agreeable, polite) |
| amusing(adjective, cool, kind, gentle, mild) |
| artless(adjective, open, simple, easy, natural) |
| austere(adjective, simple, clean, plain, pure) |
| authentic(adjective, simple, pure, natural, straightforward) |
| being oneself(expression, simple, easy, real, genuine) |
| bland(adjective, cool, kind, gentle, mild) |
| bohemian |
| breezy(cool, simple, relaxed, familiar, straightforward) |
| bush-league(adjective, simple, natural, straightforward, naive) |
| candid(easy, honest, plain, natural, straightforward) |
| cheery |
| childlike(adjective, open, simple, easy, plain) |
| civil(adjective, cool, kind, gentle, mild) |
| civilized(adjective, cool, kind, gentle, mild) |
| classic(adjective, simple, clean, plain, pure) |