>>38045368It's not so crazy if you break it down
>a - grand -ize - ment>aUsed here to mean "to" as in to make or to become.
>grandLarge in size or importance, an adjective.
>izeSuffix which turns a noun or adjective into an actionable verb.
>mentSuffix which turns a verb into a noun.
So you end up with a silly sounding word (from French no less) that ends up meaning "the act of making something grand or important".
Or in other words, you really should be watching Rosemi-sama right about now.