From Middle French utile, from Old French utele, from Latin ūtilis.
Meanings
(archaic) Useful.
technologists (the so-called Eggheads) all over the world were trying to make publicly utile and commercially rewarding the extremely elaborate and still very expensive, hydrodynamic telephones and other miserable gadgets […] 1969, Vladimir Nabokov, Ada or Ardor, Penguin, published 2011, page 16:
From Middle French utile, from Old French utele, from Latin ūtilis.
Meanings
A theoretical unit of measure of utility, for indicating a supposed quantity of satisfaction derived from an economic transaction.
[T]he ‘happiness utile’ does not exist, at least not yet. 2006, "Economic Roundup Autumn 2006," www.treasury.gov.au (Australian Government Treasury) (retrieved 20 Oct 2013)
Rational agents always maximize the number of utiles procured; that is, they will always choose those outcomes which promise to produce the most utiles. 2002, Louis Groarke, The Good Rebel: Understanding Freedom and Morality, →ISBN, page 29: