| wattage(noun, power, vigor, liveliness, vitality) |
| élan(noun, activity, action, force, quality) |
| Energy Department(noun, expression, idiom) |
| aggressiveness(power, strength, confidence, forcefulness, insistence) |
| arousal(noun, excitement, condition, stress, zeal) |
| assiduity(vigor, determination, application, industry, diligence) |
| authority(noun, control, force, drive, power) |
| boldness(noun, force, quality, drive, character) |
| catalyst(noun, thrust, motive, momentum, impulsion) |
| diligence(noun, activity, work, vigor, determination) |
| effectiveness(noun, activity, performance, go, force) |
| efficiency(noun, activity, go, force, drive) |
| elasticity(power, strength, spring, rebound, physical energy) |
| firmness(noun, health, force, body, drive) |
| fun |
| grit(noun, force, quality, drive, character) |
| heartiness(noun, form, health, force, power) |
| incentive(noun, thrust, motivation, momentum, impulsion) |
| inspiration(noun, feeling, spirit, mind, heart) |
| joy(noun, feeling, passion, excitement, spirit) |