adjective
potent
POH-tunt/ˈpəʊtnt/
Able to produce a powerful result.
The potent magnet draws a cluster of iron nails toward its poles.

Etymology
Latin potens describes something powerful or able. The English meaning retains this idea of inherent strength, whether expressed through physical force, strong effects, or influence.
In context
you can generate in another enthusiasm and the spirit of success which somehow furnishes an impetus to do something worthwhile and concentrated mental control there is a latent power more potent Than Physical Force
More examples
- Even a little of this spice adds a potent flavor.
- Her speech offers a potent argument for changing the law.
- The treatment helps him remain sexually potent.
Forms
potent · more potent · most potent
potency noun — The strength of something's effect or influence.