| enduring(adjective, close, strong, tough, correct) |
| exact(adjective, good, close, correct, right) |
| factual(adjective, open, correct, right, honest) |
| harmless(adjective, clear, pure, healthy, safe) |
| honorary(adjective, feature, characteristic, honor, detail) |
| immovable(adjective, firm, solid, stable, fixed) |
| invariable(adjective, certain, ordinary, usual, steady) |
| lasting |
| levelheaded(adjective, calm, good, reasonable, firm) |
| liege(adjective, firm, honest, sensible, solid) |
| logical(adjective, good, sensible, regular, even) |
| mature(open, honest, sensible, solid, reliable) |
| official(pure, original, real, genuine, valid) |
| patriotic(adjective, close, correct, firm, honest) |
| practical(calm, sound, reasonable, sensible, rational) |
| proven(adjective, solid, proper, reliable, accepted) |
| rational(adjective, calm, good, sound, reasonable) |
| rocky |
| rugged |
| serious(adjective, honest, sensible, pure, steady) |