potency

noun

1. (countable, uncountable)Power, authority.

   “I would to heauen I had your potencie, And you were Isabell: should it then be thus? No: I would tell what 'twere to be a Iudge, and what a prisoner.”

   “Beset on either hand by potencies greater than himself, he becomes the battle-ground of immortals.”

   “The doctor is the modern master of the mythological realm, the knower of all the secret ways and words of potency.”

2. (countable, uncountable)The ability or capacity to perform something
3. (countable, uncountable, usually)The ability or capacity to perform something

   “Pliny the Elder states that, to increase sexual potency, the right testis of an ass should be worn in a bracelet.”

4. (countable, uncountable)Concentration; strength
5. (countable, uncountable)Potentiality, ability, capacity.
6. (countable, dated, uncountable)Cardinality.