IPA: /pluˈtɒkrətɪkli/
KK: /pluˈtɒkrətɪkli/
In a manner that relates to or is characteristic of a society governed or controlled by the wealthy.
The decisions were made plutocratically, favoring the interests of the rich over the needs of the poor.
Plutocratically → It is formed from "ploutos" (meaning wealth) and "kratos" (meaning power or rule), combined with the adverbial suffix "-ically" (meaning in a manner). The word "plutocratically" refers to a manner of governance or influence that is determined by wealth or the wealthy class.
Think of 'wealth' ('ploutos') and 'power' ('kratos') to remember that 'plutocratically' describes a way of ruling or influencing based on wealth.