per·pe·tra·tion \ˌ ̷ ̷ ̷ ̷.ˈtrāshən\noun (-s) Etymology: Middle English perpetracionne, from Late Latin perpetration-, perpetratio, from Latin perpetratus + -ion-, -io -ion 1.: the act or process of perpetrating : commission < the perpetration of a series of thefts > < the effective perpetration of sabotage — J.J.McCarthy > 2.: something perpetrated : an evil or offensive act < savage perpetrations — J.H.Newman >