| in force(adjective, strong, power, valid, legal) |
| power(strong, energetic, active, vigorous, controlling) |
| proficient(adjective, tough, effective, adept, effectual) |
| significant(adjective, strong, important, powerful, useful) |
| sound(reasonable, sensible, rational, wise, shrewd) |
| stiff |
| symbiotic(useful, beneficial, advantageous) |
| winning |
| almighty(strong, power, energetic, powerful, vigorous) |
| available(adjective, strong, power, valid, legal) |
| dominant(adjective, strong, energetic, important, powerful) |
| dynamic(adjective, strong, tough, energetic, powerful) |
| economic(adjective, tough, energetic, effective, adept) |
| expedient(sensible, wise, shrewd, utility) |
| fruitful |
| functioning(moving, active, effective, running, alive) |
| impelling(moving, active, effective, running, alive) |
| infallible(adjective, dependable, unerring) |
| influencing |
| judicious(adjective, sensible, thoughtful, wise, shrewd) |