They opened up their home to a series of pop-up dinners before moving it to functional restaurants when it grew too popular.
The captain tried to say all the cameras were functional except for the one in the cabin where the body was found.
But only in recent times has the functional death of states become a real possibility.
functional func·tion·al (fŭngk'shə-nəl)
Of or relating to a function.
Affecting the physiological function but not the structure.
Affecting bodily functions but not organic structure, as a disorder such as irritable bowel syndrome. Compare organic.