Strong's #1518: eirenopoios (pronounced i-ray-nop-oy-os')
 from 1518 and 4160; pacificatory, i.e. (subjectively) peaceable:--peacemaker.
Thayer's Greek Lexicon:
 ̓́ 
 
  eirēnopoios 
 
 1) a peacemaker
 2) pacific, loving peace
 
  Part of Speech: adjective
Relation: from G1518 and G4160
  Citing in TDNT: 2:419, 207
 
Usage:
This word is used 1 times:
Matthew 5:9: "Blessed are the  peacemakers: for they shall be called the children of God."