Synonyms for Graduated (same or very similar meaning)
WordNet sense 1 (marked with or divided into degrees):
calibrated
WordNet sense 2 ((of taxes) adjusted so that the rate decreases as the amount of income increases):
regressive
WordNet sense 3 ((of taxes) increasing as the amount taxed increases):
proportional
WordNet sense 4 ((of taxes) adjusted so that the rate increases as the amount of income increases):
progressive
WordNet sense 5 (taking place by degrees):
gradational, gradatory
WordNet sense 6 (proceeding in small stages):
gradual
From the ODE community, based on WordNet
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