Words and expressions savant: a man of learning, especially a person with detailed knowledge in some specialized field corollary: an immediate inference from a proved proposition forestall: defeat, prevent by prior measures commitment: a pledge to follow certain beliefs or a certain course of action; devotion(to duty etc artifact: a usually small object (as a tool or an ornament)showing human workmanship that has special historical interest evoke: bring to mindWords and expressions savant: a man of learning, especially a person with detailed knowledge in some specialized field. corollary: an immediate inference from a proved proposition forestall:defeat, prevent by prior measures commitment:a pledge to follow certain beliefs or a certain course of action; devotion (to duty etc.) artifact:a usually small object (as a tool or an ornament) showing human workmanship that has special historical interest evoke: bring to mind