| stalwart(adjective, strong, great, energetic, powerful) |
| tenacious |
| untiring(adjective, strong, moving, energetic, lively) |
| valid |
| ball of fire(expression, adjective, idiom, strong, tough) |
| weighty(adjective, strong, sharp, energetic, violent) |
| activating(adjective, active, vital) |
| acute(adjective, severe, sharp, quick, flexible) |
| advanced(adjective, tolerant, modern, radical, liberal) |
| adventurous |
| affecting(adjective, moving, touching, exciting, stirring) |
| ambitious(successful, driven) |
| arousing(adjective, moving, touching, exciting, stirring) |
| awakening(adjective, moving, touching, exciting, stirring) |
| booming |
| breathless(adjective, moving, touching, exciting, stirring) |
| bright(adjective, sharp, intense, energetic, active) |
| bubbly(adjective, energetic, lively, active, vigorous) |
| chipper(adjective, keen, intense, energetic, lively) |
| conscientious |