Strong's G20 — ἀγαλλίασις (noun)
agalliasis (ag-al-lee'-as-is) n.
1. exultation
2. (specially) welcome
[from G21]
KJV: gladness, (exceeding) joy 
Root(s): G21 
Hebrew root: ἀγαλλιάω
Occurrences: 5