Abbott-Smith Manual Greek Lexicon
βουλευτής (G1010)
2 βουλευτής , -οῦ, ὁ ( βουλεύω ), [in LXX: Jb 3:14 12:17 ( יעץ )* ;] a councillor, a senator ; of a member of the Sanhedrin: Mk 15:34 , Lk 23:50 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain