| convincing(adjective, clear, strong, great, direct) |
| compelling(adjective, clear, strong, great, direct) |
| potent(adjective, good, clear, strong, great) |
| impressive(adjective, strong, moving, energetic, belief) |
| powerful(adjective, good, clear, strong, great) |
| cogent(adjective, clear, strong, great, direct) |
| effective(adjective, clear, strong, great, tough) |
| forceful(adjective, clear, strong, direct, tough) |
| telling(adjective, clear, strong, great, direct) |
| efficacious(adjective, strong, energetic, powerful, capable) |
| strong(adjective, good, clear, sound, tough) |
| influential(adjective, clear, strong, great, important) |
| weighty(adjective, good, clear, strong, great) |
| valid(adjective, sound, right, reasonable, solid) |
| eloquent(adjective, smooth, moving, easy, articulate) |
| smooth(adjective, reasonable, easy, charming, articulate) |
| conclusive(adjective, sound, reasonable, solid, rational) |
| dynamic(adjective, strong, moving, tough, energetic) |
| effectual(adjective, strong, energetic, effective, prevailing) |
| forcible(adjective, clear, strong, direct, tough) |