| ponderable(adjective, knowledge, material, substantial, tangible) |
| transparent(adjective, clear, simple, sharp, plain) |
| unambiguous(adjective, clear, simple, sharp, plain) |
| unmistakeable |
| firm(adjective, plain, physical, material, substantial) |
| glaring(adjective, clear, plain, certain, definite) |
| incarnate(adjective, physical, material, manifest, actual) |
| indubitable(adjective, clear, plain, pure, real) |
| natural(adjective, honest, material, pure, true) |
| objective(adjective, material, substantial, tangible, perceptible) |
| open(adjective, clear, plain, true, real) |
| overt(adjective, clear, plain, straightforward, distinct) |
| self-explanatory(adjective, clear, plain, certain, definite) |
| capable of being touched |
| considerable(adjective, significant, substantial) |
| distinguishable(adjective, clear, knowledge, exact, obvious) |
| embodied(adjective, physical, material, manifest, actual) |
| indisputable(adjective, clear, plain, certain, true) |
| intelligible(adjective, simple, sharp, plain, sensitive) |
| significant(adjective, substantial, considerable) |