Here are examples of the word/phrase "potentiate" used in a sentence and paraphrased in a sentence...
Drink this potion to potentiate your ability to manipulate wind.
Drink this potion to empower your ability to manipulate wind.
When he is in his wolf form, the full moon will potentiate him.
When he is in his wolf form, the full moon will give power to him.
Increasing your character's level to 30 can potentiate them enough to defeat the boss with no problem.
Increasing your character's level to 30 can empower them enough to defeat the boss with no problem.
Other Examples...