| realistic(adjective, open, tough, correct, reasonable) |
| certain(adjective, correct, honest, pure, true) |
| exact(adjective, open, correct, right, honest) |
| sincere(adjective, open, correct, right, honest) |
| de facto(expression, adjective, idiom, adverb, material) |
| existent(adjective, physical, material, true, actual) |
| literal(adjective, open, simple, correct, clean) |
| straightforward(adjective, open, simple, honest, plain) |
| historical(adjective, being in fact) |
| matter-of-fact(adjective, simple, rational, straightforward, realistic) |
| nice(right, perfect, exact, proper, true) |
| reliable(adjective, open, direct, right, honest) |
| sound(adjective, correct, reasonable, honest, sensible) |
| substantial(adjective, solid, physical, material, certain) |
| verifiable |
| authoritative(adjective, correct, right, honest, exact) |
| concrete(adjective, clear, correct, solid, exact) |
| hard(adjective, clear, correct, certain, substantial) |
| tangible(adjective, solid, physical, material, certain) |
| trustworthy(adjective, open, correct, right, honest) |