#4101 πιστικός pistikos {pis-tik-os'}

 from G4102; TDNT - n/a; adj

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

 1) pertaining to belief
    1a) having the power of persuading, skilful in producing belief
    1b) trusty, faithful, that can be relied on

—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 - spikenard + G3487 2; 2

—Exhaustive Concordance (KJV Translation Frequency & Location)