felicific [ fee-luh-sif-ik ]
adjective
1. causing or tending to cause happiness.
Origin: 1860–65; < Latin fēlīci- (stem of fēlīx) happy + -fic
EXAMPLE SENTENCES FROM THE WEB FOR FELICIFIC
The 'felicific calculus' is enough to show the inadequacy of his method.
THE ENGLISH UTILITARIANS, VOLUME I.|LESLIE STEPHEN
We are bound to apply our 'felicific calculus' with absolute impartiality.
THE ENGLISH UTILITARIANS, VOLUME I.|LESLIE STEPHEN
It is the economic equivalent of the 'utility' of Bentham's 'felicific calculus.'
THE ENGLISH UTILITARIANS, VOLUME II (OF 3)|LESLIE STEPHEN
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.