criterion Synonyms

standard measure touchstone rule test thermometry yardstick angstrom litmus test algometry law of nature baseline tenet pattern precedent principle probation proof prototype rhythmus scale specification manometer mil gold standard bench mark referral densitometry earned run average procrustean bed parametric pop quiz Richter scale standards norms parameters locus classicus hemline benchmark point of reference reference point criterium genotype biotype plumb line measuring rod measuring stick guideline parameter adjudgment