| muscular(adjective, strong, tough, powerful, fresh) |
| stalwart(adjective, strong, great, sound, tough) |
| vehement(adjective, clear, strong, tough, severe) |
| zippy(adjective, strong, tough, energetic, powerful) |
| ardent(adjective, moving, intense, energetic, passionate) |
| consequential(adjective, authoritative) |
| considerable(adjective, strong, important, powerful, effective) |
| controlling(adjective, strong, energetic, important, powerful) |
| emphatic(adjective, direct, severe, sharp, intense) |
| fertile |
| fervent(adjective, clear, tough, severe, intense) |
| operative(important, powerful, effective) |
| peppy(adjective, strong, tough, energetic, powerful) |
| rich |
| ruling(strong, energetic, powerful, effective, dynamic) |
| sinewy(adjective, strong, sound, tough, fit) |
| spirited(adjective, strong, tough, energetic, powerful) |
| striking(adjective, energetic, important, powerful, effective) |
| trenchant(adjective, strong, sharp, energetic, important) |
| zealous(adjective, clear, strong, tough, severe) |