δια-βεβαιόομαι, -οῦμαι to affirm confidently: Tit.3:8; before περί, 1Ti.1:7 (Cremer, 140).† (AS)
STRONG'S WORD STUDY
G1226 — διαβεβαιόω
diabebaioō · to insist · Greek
2 tagged verse occurrences
1 Timothy 1:7 · διαβεβαιοῦνται.¶willing to be teachers of law, not understanding either the things they say, nor concerning what they asseverate,Titus 3:8 · διαβεβαιοῦσθαιStedfast is the word; and concerning these things I counsel thee to affirm fully, that they may be thoughtful, to be leading in good works—who have believed God; these are the good and profitable things to men,