FUNCTIONAL

/ˈfʌŋk(t)ʃnəl/ ► audio Scrabble 15 Words With Friends 20

Definition

adjective designed for or capable of a particular function or use.
adjective involving or affecting function rather than physiology.
adjective relating to or based on function especially as opposed to structure.
adjective fit or ready for use or service. — synonyms: usable, useable, operable, operational
adjective designed for or adapted to a function or use.
adjective (of e.g. a machine) performing or capable of performing. — synonyms: running(a), operative, working(a)

“That sculpture is not merely artistic, but also functional: it can be used as a hatrack.”
“A functional construction element generally must meet higher technical but lower aesthetical requirements”