| powerful(adjective, strong, effective, successful) |
| strong(adjective, successful) |
| effective(adjective, strong, successful, productive) |
| effectual(adjective, strong, successful) |
| efficient(adjective, strong, weak, delicate) |
| potent(adjective, strong, weak, soft) |
| successful(adjective, strong) |
| competent(adjective, strong, successful) |
| fruitful(adjective, strong, successful) |
| productive(adjective, strong, successful) |
| able(adjective, strong, slow, inadequate) |
| profitable(adjective, strong, successful) |
| useful(adjective, strong, successful) |
| worthwhile(adjective, strong, successful) |
| adequate(adjective, strong, successful) |
| capable(adjective, strong, successful) |
| sufficient(adjective, strong, successful) |
| dexterous(adjective, strong, successful) |
| expert(adjective, strong, successful) |
| skillful(adjective, strong, successful) |