utility
u-til-i-ty
noun
The quality of being useful, practical, or beneficial for a purpose.
"The utility of the new software is clear."
noun
A public service such as electricity, gas, or water, provided to homes.
"Our monthly utility bills are quite high."
Thesaurus
Synonyms: usefulness, service program, utility program, public-service corporation, public utility, public utility company
Antonyms: inutility, unusefulness, uselessness