noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb successive promotion;gradual progression;rising step by step

noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb increasing progressively (of income tax, etc.)

adjectival nouns or quasi-adjectives (keiyodoshi) progressive (tax, etc.);graduated