utile

listen to the pronunciation of utile
English - Turkish
yararlı
English - English
A theoretical unit of measure of utility, for indicating a supposed quantity of satisfaction derived from an economic transaction

The ‘happiness utile’ does not exist, at least not yet.

Useful
being of use or service; "the girl felt motherly and useful"; "a useful job"; "a useful member of society"
Profitable; useful
{s} useful (Archaic)