non-standard, low quality, unregulated

scales, standard, criterion, level

standard

level, standard

beautiful (non-standard inflecting version)

landmark, marker, criterion, index

astute, crafty, clever, shrewd; adjustment, tweaking, tightening; assay (of precious metals); touchstone (of a jewler); standard, criterion

touchstone; test; criterion

appraiser; factor, criterion

to make level, smooth, even; to adjust, regulate, put right; to tune (musical); to baste, join loosely

bubble level

bottom, the depths; basis, foundation, level area

high-level