noun, noun or participle which takes 'suru', intransitive verb
successive promotion; gradual progression; rising step by step
Used for career advancement through ranks, or for things increasing in stages. Often appears in contexts like 累進課税 (progressive taxation) or 累進制度 (promotion system).
彼は実力で課長から部長へと累進した。
He rose step by step from section chief to department head through his ability.
この会
This company has a system of gradual promotion based on years of service.
noun, noun or participle which takes 'suru', intransitive verb
progressive (tax, rates, etc.)
Specifically for systems where rates or amounts increase as the base amount increases, most commonly in taxation.
所得税は累進課税が採用されている。
Income tax adopts a progressive taxation system.