(1):

(a.) Capable of being turned to use or account; useful, in distinction from ideal or theoretical; as, practical chemistry.

(2):

(a.) Of or pertaining to practice or action.

(3):

(a.) Evincing practice or skill; capable of applying knowledge to some useful end; as, a practical man; a practical mind.

(4):

(a.) Derived from practice; as, practical skill.