| legitimate(adjective, good, sound, correct, right) |
| persevering(adjective, resolute, persistent, trustworthy, dedicated) |
| powerful(reasonable, solid, realistic, persuasive, credible) |
| real(adjective, correct, right, flat, honest) |
| realistic(adjective, close, correct, honest, solid) |
| riskless(adjective, clear, sound, pure, healthy) |
| tested |
| tried-and-true(adjective, good, strong, honest, sensible) |
| unchanging(adjective, close, correct, firm, honest) |
| unflagging(adjective, certain, constant, reliable, trustworthy) |
| well-founded |
| abiding(adjective, strong, tough, firm, solid) |
| actual(adjective, correct, right, honest, exact) |
| adept |
| balanced(adjective, calm, sound, reasonable, firm) |
| believable(adjective, close, correct, honest, solid) |
| cogent(adjective, good, reasonable, honest, sensible) |
| conservative |
| dear |
| definite(adjective, good, strong, honest, solid) |