| persuasive(adjective, clear, strong, great, direct) |
| cogent(adjective, good, clear, strong, great) |
| impressive(adjective, strong, reasonable, energetic, capable) |
| valid(adjective, good, clear, open, direct) |
| forceful(adjective, clear, strong, direct, severe) |
| powerful(adjective, clear, strong, great, direct) |
| trustworthy(adjective, sound, reasonable, pure, true) |
| effective(adjective, clear, strong, great, energetic) |
| believable(adjective, open, honest, sensible, realistic) |
| potent(adjective, clear, strong, great, direct) |
| telling(adjective, good, clear, strong, great) |
| strong(adjective, clear, sound, reasonable, energetic) |
| compelling(adjective, clear, strong, great, direct) |
| sound(adjective, clear, reasonable, sensible, logical) |
| authentic(adjective, open, honest, true, real) |
| credible(adjective, open, honest, sensible, true) |
| plausible(adjective, open, reasonable, sensible, reliable) |
| weighty(adjective, clear, strong, great, sound) |
| authoritative(adjective, open, honest, sensible, true) |
| conclusive(adjective, sound, reasonable, certain, rational) |