Touchstone

Pronunciation: /ˈtʌtʃˌstoʊn/

Touchstone (noun)

  1. Something used to judge whether an idea, plan, or result is correct or good.
  2. A level or rule that people use to measure quality or performance.
  3. A dark stone used to test metals by leaving a mark and checking its colour.

Examples

  • Her honesty is a touchstone for the team.
  • The new rule becomes a touchstone for fairness.