Revelation of Jesus Christ
From the KJV 1611 with Strong's Concordance
G5463
χαίρω
chairo
{khah'-ee-ro}
A primary verb; to full of 'cheer', that is, calmly happy or well off; impersonal especially as a salution (on meeting or parting), be well.
NOTE: Used widely throughout the New Testament (below are the usages from Revelation only).
glad
Revelation 19:7.
rejoice
Revelation 11:10.