engineer
     n 1: a person who uses scientific knowledge to solve practical
          problems [syn: {applied scientist}, {technologist}]
     2: the operator of a railway locomotive [syn: {locomotive
        engineer}, {railroad engineer}, {engine driver}]
     v 1: design as an engineer; "He engineered the water supply
          project"
     2: plan and direct (a complex undertaking); "he masterminded
        the robbery" [syn: {mastermind}, {direct}, {organize}, {organise},
         {orchestrate}]
Source: WordNet® 2.0