certain(-ty), safe, sure

Strong’s Dictionary of Greek Words:

Number:
804 (find all occurrences in KJV Bible)
Greek:
ἀσφαλής
Transliteration:
asphales
Phonic:
as-fal-ace’
Meaning:
from 1 (as a negative particle) and sphallo (to "fail"); secure (literally or figuratively)
KJV Usage:
certain(-ty), safe, sure