Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun touchstone

1 sense of touchstone

Sense 1
standard, criterion, measure, touchstone -- (a basis for comparison; a reference point against which other things can be evaluated; "the schools comply with federal standards"; "they set the measure for all subsequent work")
       => system of measurement, metric -- (a system of related measures that facilitates the quantification of some particular characteristic)