| clear(adjective, clear, sound, touch, reasonable) |
| plain(adjective, calm, clear, simple, easy) |
| intelligible(adjective, quiet, clear, simple, easy) |
| understandable(adjective, clear, simple, sharp, plain) |
| distinct(adjective, clear, sharp, bright, plain) |
| rational(adjective, calm, quiet, clear, sound) |
| comprehensible(adjective, clear, simple, sharp, definite) |
| transparent(adjective, quiet, clear, touch, pleasant) |
| luminous(adjective, clear, bright, brilliant, obvious) |
| limpid(adjective, clear, touch, fine, bright) |
| obvious(adjective, clear, sound, simple, reasonable) |
| perspicuous(adjective, clear, reasonable, sharp, sensible) |
| reasonable(adjective, calm, quiet, sound, sensible) |
| unambiguous(adjective, clear, simple, sharp, plain) |
| explicit(adjective, clear, sharp, definite, obvious) |
| sane(adjective, sound, reasonable, sensible, rational) |
| coherent(adjective, clear, reasonable, sharp, sensible) |
| vivid(adjective, bright, intense, powerful, brilliant) |
| evident(adjective, clear, simple, sharp, straightforward) |
| normal(adjective, reasonable, sensible, rational, healthy) |