| good |
| indisputable(adjective, understandable) |
| liquid |
| luminescent(adjective, bright, brilliant, glowing, shining) |
| mentally sound(expression, sane) |
| open(adjective, clear, plain, straightforward, distinct) |
| perceptible(adjective, clear, sharp, distinct, obvious) |
| perceptive(adjective, clear, sound, reasonable, sensible) |
| percipient(reasoning, intellectual, mental) |
| perspicacious(sound, reasonable, sensible, reasoning, intellectual) |
| pictorial |
| precise(adjective, clear, simple, sharp, plain) |
| prudent(sound, reasonable, sensible, rational, healthy) |
| revealing(adjective, transparent) |
| self-explanatory(adjective, quiet, clear, smooth, easy) |
| sharp(adjective, clear, simple, bright, intense) |
| shiny(adjective, clear, transparent) |
| smooth(adjective, quiet, clear, easy, fine) |
| sparkling(adjective, bright, clean, glassy) |
| strong(adjective, sharp, bright, intense, powerful) |