functionality
UK: ˌfʌŋk.ʃənˈæl.ə.ti | US: ˌfʌŋk.ʃənˈæl.ə.t̬i
n. the range of operations that can be performed by a system, device, or software
n. the quality of being practical or useful in design
n. (mathematics) the set of outputs corresponding to inputs of a function
Derived from the Latin functio ("performance, execution"), function entered English via Old French. The suffix -al (from Latin -alis) turns nouns into adjectives (e.g., "functional"), and -ity (Latin -itas) forms abstract nouns indicating a state or quality. Thus, functionality literally means "the quality of relating to operations," evolving to emphasize practical utility in modern contexts like technology and design.
The smartphone’s functionality includes advanced camera features and multitasking.
Designers prioritize both aesthetics and functionality in product development.
The software update improved system functionality significantly.
This tool’s functionality is limited without the premium subscription.
In mathematics, the functionality of a model determines its predictive accuracy.