An occupational therapist works with a client to help them achieve a fulfilled and satisfied state in life through the use of purposeful activity or interventions designed to achieve functional outcomes which promote health, prevent injury or disability and which develop, improve, sustain or restore the highest possible level of independence..
Wiktionary (0.00 / 0 votes) Rate this definition: functionality (Noun) The ability to perform a task or function; that set of functions that something is able or equipped to perform. functionality (Noun)
The quality model presented in the first part of the standard, ISO/IEC 9126-1, classifies software quality in a structured set of characteristics and sub-characteristics as follows: 1  Functionality-A set of attributes that bear on the existence of a set of functions and their specified properties.