Practical

a.
  1. Of or pertaining to practice or action.
  2. Capable of being turned to use or account; useful, in distinction from ideal or theoretical; as, practical chemistry.
  3. Evincing practice or skill; capable of applying knowledge to some useful end; as, a practical man; a practical mind.
  4. Derived from practice; as, practical skill.
    5. Practical joke ,
    a joke put in practice; a joke the fun of which consists in something done, in distinction from something said; esp., a trick played upon a person.