#2165 εὐφραίνω euphraino {yoo-frah'-ee-no}

 from G2095 and G5424; TDNT - 2:772,278; v

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) to gladden, make joyful
    1a) to be glad, to be merry, to rejoice
    1b) to rejoice in, be delighted with a thing

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - rejoice 6, be merry 3, make merry 3, fare 1, make glad 1; 14

—Exhaustive Concordance (KJV Translation Frequency & Location)