| real(absolute, valid, indisputable, lawful, unmistakable) |
| safe(calm, strong, secure, solid, steady) |
| settled(adjective, strong, secure, easy, solid) |
| sober |
| staunch(adjective, calm, strong, sound, secure) |
| steadfast(adjective, calm, strong, secure, easy) |
| unyielding(adjective, strong, sound, tough, solid) |
| well-established |
| wise(adjective, reason, sane) |
| able(adjective, strong, sound, tough, easy) |
| absolute(adjective, strong, easy, flat, solid) |
| accurate(sound, correct, reasonable, proper, rational) |
| admissible(adjective, reasonable, sensible, natural, normal) |
| anchored(calm, strong, secure, solid, steady) |
| binding(sound, reasonable, rational) |
| bona fide(expression, good, sound, right, reasonable) |
| calm(strong, solid, steady, substantial, even) |
| carefree(adjective, strong, easy, solid, certain) |
| coherent |
| commonsensible(adjective, reason, sane) |