immutabilitas
From LSJ
ὃ γὰρ βούλεται, τοῦθ' ἕκαστος καὶ οἴεται → what he wishes to be true, each person also believes to be true | what he wishes, each person also believes
Latin > English (Lewis & Short)
immūtābĭlĭtas: (inm-), ātis, f. 1. immutabilis,
I unchangeableness, immutability: in factis immutabilitatem apparere, in futuris non item, Cic. Fat. 9, 17.