(make) boast, glory, joy, rejoice

Strong’s Dictionary of Greek Words:

Greek:
καυχάομαι
Transliteration:
kauchaomai
Phonic:
kow-khah’-om-ahee
Meaning:
from some (obsolete) base akin to that of αὐχέω (to boast) and 2172; to vaunt (in a good or a bad sense)
KJV Usage:
(make) boast, glory, joy, rejoice