Main Entry: func·tion·al

Pronunciation: \ˈfəŋ(k)-shnəl, -shə-n^əl\

Function: adjective

Date: 1631

1 a : of, connected with, or being a function b : affecting physiological or psychological functions but not organic structure <functional heart disease>
2 : used to contribute to the development or maintenance of a larger whole <functional and practical school courses>; also : designed or developed chiefly from the point of view of use
3 : performing or able to perform a regular function

— func·tion·al·ly \ˈfəŋ(k)-shnə-lē, -shə-n^əl-ē\ adverb