set one's mind on set one's mind on {v. phr.} To be determined to; decide to. He has set his mind on buying an old chateau in France. Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: S Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Post my comment