Early 19th century; earliest use found in Samuel Taylor Coleridge (1772–1834), poet, critic, and philosopher. From classical Latin possibilispossible + -itate.
Definition of possibilitate in US English:
possibilitate
verbˌpɒsɪˈbɪlɪteɪt
with objectTo render possible.
Origin
Early 19th century; earliest use found in Samuel Taylor Coleridge (1772–1834), poet, critic, and philosopher. From classical Latin possibilis possible + -itate.