Practicable and Functionally

adjective

• Usable for a specific purpose.
  • usage: "an operable plan"; "a practicable solution"
  • synonyms: operable
• Capable of being done with means at hand and circumstances as they are.
  • synonyms: feasible, executable, viable, workable

• (a.) That may be practiced or performed; capable of being done or accomplished with available means or resources; feasible; as, a practicable method; a practicable aim; a practicable good.
• (a.) Capable of being used; passable; as, a practicable weapon; a practicable road.

adverb

• With respect to function.
  • usage: "the two units are functionally interdependent"

(adv.) In a functional manner; as regards normal or appropriate activity.