1.Definition: (of a male) capable of copulation

Related Adjective(s):virile

2.Definition: having a strong physiological or chemical effect

"A potent toxin", "Potent liquor", "A potent cup of tea"

Related Adjective(s):stiff, strong

3.Definition: having great influence

Related Adjective(s):powerful

4.Definition: having or wielding force or authority

"Providing the ground soldier with increasingly potent weapons"

Related Adjective(s):strong