confirm

Strong’s Dictionary of Greek Words:

Number:
3315 (find all occurrences in KJV Bible)
Greek:
μεσιτεύω
Transliteration:
mesiteuo
Phonic:
mes-it-yoo’-o
Meaning:
from 3316; to interpose (as arbiter), i.e (by implication) to ratify (as surety)
KJV Usage:
confirm