noun, noun or participle which takes 'suru', intransitive verb, transitive verb
Wasei-eigo from 'grade up'. Used for improving quality, rank, or specifications of something. Can be used as a noun or a suru-verb (intransitive/transitive).
wasei-eigo (Japanese-coined English), from grade up
システムをグレードアップする予定です。
We plan to upgrade the system.
このホテルは最近グレードアップ
This hotel seems to have been upgraded recently.