| conclusive(certain, unquestionable, undisputable) |
| consistent(strong, firm, solid, certain, steady) |
| continual |
| convinced(clear, certain, definite, unquestionable, undisputable) |
| convincing(clear, certain, definite, unquestionable, undisputable) |
| deliberate |
| dependable(adjective, firm, solid, stable, fixed) |
| diligent |
| dispassionate belief(expression, idiom, belief) |
| dispassionate opinion(expression, idiom, belief) |
| doubtless(clear, certain, definite, unquestionable, undisputable) |
| durable(adjective, firm, solid, stable, fixed) |
| emotionless(cold, indifferent, unyielding) |
| equable(adjective, firm, solid, stable, fixed) |
| even(adjective, firm, solid, stable, fixed) |
| exact(strong, certain, definite, resolved, unalterable) |
| explicit(strong, certain, definite, resolved, unalterable) |
| faithful(adjective, strong, firm, determined, bold) |
| fast(adjective, firm, solid, stable, fixed) |
| firm belief(expression, idiom, belief) |