adjective Date: 1631 1. of, connected with, or being a function, affecting physiological or psychological functions but not organic structure , used to contribute to the development or maintenance of a larger whole , performing or able to perform a regular function, ~ly adverb
FUNCTIONAL
Meaning of FUNCTIONAL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012