G0806
ἀσφαλῶς
securely
ἀσφαλῶς adv., [in LXX: Gen.34:25 (בֶּטַח), Tob.6:4, Wis.18:6, Bar.5:7, 1Ma.6:40, 3Ma.7:6 * ;] __(a) safely: Mrk.14:44, Act.16:23; __(b) assuredly: Act.2:36.† (AS)
Full Thayer's lexicon entry
ἀσφαλῶς — asphalōs
ἀσφαλῶς, adverb (from Homer down), safely (so as to prevent escape): Mar 14:44; Act 16:23. assuredly: γινώσκειν, Act 2:36 (εἰδότες, Wis 18:6).
3 occurrences
Mark (1), Acts (2)