potent

Short definition from Wiktionary

Adjective

1. 1
   Powerful; possessing power; effective.
2. 2
   Powerful; possessing power; effective: Possessing authority or influence; persuasive, convincing.
3. 3
   Powerful; possessing power; effective: Possessing strong physical or chemical properties.
4. 4
   Able to procreate.
5. 5
   Able to differentiate.

Noun

1. 1
   A prince; a potentate.
2. 2
   A staff or crutch.
3. 3
   A heraldic fur formed by a regular tessellation of blue and white T shapes.