- standard, criterion, measure, touchstone - a basis for comparison; a reference point against which other things can be evaluated; "they set the measure for all subsequent work"
--1 is a kind of reference point, point of reference, reference
--1 has particulars:benchmark; grade point average, GPA; yardstick; medium of exchange, monetary system; scale, scale of measurement, graduated table, ordered series; gauge, standard of measurement; baseline; norm