A.steadfastness, stability, “τῆς οὐσίας” Pl.Cra.386a; “μετὰ ἡσυχίας καὶ βεβαιότητος ζῆν” Id.R.503c, cf. Lg.735a, 790b, Arist. EN1100b12.
2. assurance, certainty, Pl.Phdr.277d; security, safety, “βεβαιότητος ἕνεκα” Th.4.66; “β. καὶ ἀσφάλεια” Plu.Fab.19.