Noah Webster
Practical
PRAC'TICAL, adjective [Latin practicus.] Pertaining to practice or action.
1. Capable of practice or active use; opposed to speculative; as a practical understanding.
2. That may be used in practice; that may be applied to use; as practical knowledge.
3. That reduces his knowledge or theories to actual use; as a practical man.
4. Derived from practice or experience; as practical skill or knowledge.