felicificabilityn.

/fiːlɪˌsɪfɪkəˈbɪlɪti/Etymology: < *felicificable ( < felicific adj. + -able suffix): see -bility , -ity suffix.
the mind > emotion > pleasure > happiness > [noun] > capacity for
1865 J. Grote ii. 33 Felicificability or capacity for happiness.
This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2018).