IPA: /prəˈnɒmɪnəli/
KK: /prəˈnɑːmɪnəli/
In a way that relates to or functions like a pronoun.
The word 'he' is used pronominally to refer to a male person.
Pronominally → It is formed from "pronomen" (from Latin, meaning a noun that stands in place of a noun) and the suffix "-ally" (meaning in a manner). The word "pronominally" refers to something done in the manner of a pronoun.
Think of a pronoun standing in for a noun, and remember that "pronominally" means doing something in the manner of a pronoun.