βέβαιος, -ον (also -α, -ον; βαίνω), [in LXX: Est.3:13, Wis.7:23, 3Ma.5:31 7:7, 4Ma.17:4 *;]
firm, secure: ἄγκυρα, Heb.6:19; metaphorically,
sure (esp. "in the sense of legally guaranteed security," Deiss,
BS, 109; cf. two foll. words): ἐπαγγελία, Rom.4:16; ἐλπίς, 2Co.1:6; λόγος, Heb.2:2; παρρησία, Heb.3:6; ἀρχή (τ. ὑποστάσεως), Heb.3:14; διαθήκη, Heb.9:17; κλῆσις κ. ἐκλογή, 2Pe.1:10; comp. (-ότερος), προφητικὸς λόγος, 2Pe.1:19. (
AS)