| unchangeable(adjective, calm, strong, secure, firm) |
| undeviating(adjective, even, rigid, inflexible, consistent) |
| unimpeachable(adjective, true, real, absolute, trustworthy) |
| unshakable |
| unyielding(adjective, resolute, persistent, dedicated, unwavering) |
| veritable(adjective, open, honest, pure, straight) |
| realistic(adjective, close, open, correct, honest) |
| bound(adjective, resolute, persistent, certainty, dedicated) |
| calculable |
| compelling |
| courageous(adjective, resolute) |
| deliberate(adjective, keen, happy, agreeable, enthusiastic) |
| diligent(adjective, certain, careful, resolute, thorough) |
| fail-safe(adjective, fail) |
| impeccable(adjective, consistent, trustworthy, steadfast, dependable) |
| incontestable(adjective, certain) |
| intent(adjective, resolute, persistent, dedicated, unwavering) |
| irrefutable |
| level(adjective, even, rigid, inflexible, consistent) |
| normal(adjective, even, rigid, inflexible, authentic) |